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457297645168 = 247135340914489
BaseRepresentation
bin1101010011110010001…
…00000100111001110000
31121201100212012022211001
412221321010010321300
524443021144121133
6550025111331344
745016155564130
oct6517104047160
91551325168731
10457297645168
11166a36665261
1274764080b54
133417a268cb0
14181c1bacac0
15bd66c9d87d
hex6a79104e70

457297645168 has 160 divisors (see below), whose sum is σ = 1113847459200. Its totient is φ = 177049387008.

The previous prime is 457297645163. The next prime is 457297645169. The reversal of 457297645168 is 861546792754.

It is a super-2 number, since 2×4572976451682 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (457297645163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31554468 + ... + 31568956.

It is an arithmetic number, because the mean of its divisors is an integer number (6961546620).

Almost surely, 2457297645168 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 457297645168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (556923729600).

457297645168 is an abundant number, since it is smaller than the sum of its proper divisors (656549814032).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

457297645168 is a wasteful number, since it uses less digits than its factorization.

457297645168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14979 (or 14973 counting only the distinct ones).

The product of its digits is 101606400, while the sum is 64.

The spelling of 457297645168 in words is "four hundred fifty-seven billion, two hundred ninety-seven million, six hundred forty-five thousand, one hundred sixty-eight".

Divisors: 1 2 4 7 8 13 14 16 26 28 52 53 56 91 104 106 112 182 208 212 364 371 409 424 689 728 742 818 848 1378 1456 1484 1636 2756 2863 2968 3272 4823 5317 5512 5726 5936 6544 9646 10634 11024 11452 14489 19292 21268 21677 22904 28978 37219 38584 42536 43354 45808 57956 74438 77168 85072 86708 101423 115912 148876 151739 173416 188357 202846 231824 281801 297752 303478 346832 376714 405692 563602 595504 606956 753428 767917 811384 1127204 1213912 1318499 1506856 1535834 1622768 1972607 2254408 2427824 2636998 3013712 3071668 3945214 4508816 5273996 5375419 5926001 6143336 7890428 9982921 10547992 10750838 11852002 12286672 15780856 19965842 21095984 21501676 23704004 31561712 39931684 41482007 43003352 47408008 69880447 77038013 79863368 82964014 86006704 94816016 139760894 154076026 159726736 165928028 279521788 308152052 314078053 331856056 539266091 559043576 616304104 628156106 663712112 1078532182 1118087152 1232608208 1256312212 2157064364 2198546371 2512624424 4083014689 4314128728 4397092742 5025248848 8166029378 8628257456 8794185484 16332058756 17588370968 28581102823 32664117512 35176741936 57162205646 65328235024 114324411292 228648822584 457297645168