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504143948 = 2272111931397
BaseRepresentation
bin11110000011001…
…010000001001100
31022010122011111002
4132003022001030
52013030101243
6122005315432
715331103300
oct3603120114
91263564432
10504143948
112396378a0
12120a05b78
13805a6339
144ad53d00
152e3d5eb8
hex1e0ca04c

504143948 has 144 divisors (see below), whose sum is σ = 1219599360. Its totient is φ = 179625600.

The previous prime is 504143947. The next prime is 504143953. The reversal of 504143948 is 849341405.

It is a super-2 number, since 2×5041439482 = 508322240610053408, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is not an unprimeable number, because it can be changed into a prime (504143947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1269686 + ... + 1270082.

It is an arithmetic number, because the mean of its divisors is an integer number (8469440).

Almost surely, 2504143948 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 504143948, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (609799680).

504143948 is an abundant number, since it is smaller than the sum of its proper divisors (715455412).

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

504143948 is a wasteful number, since it uses less digits than its factorization.

504143948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476 (or 467 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 504143948 is about 22453.1500685316. The cubic root of 504143948 is about 795.8871985641.

The spelling of 504143948 in words is "five hundred four million, one hundred forty-three thousand, nine hundred forty-eight".

Divisors: 1 2 4 7 11 14 19 22 28 31 38 44 49 62 76 77 98 124 133 154 196 209 217 266 308 341 397 418 434 532 539 589 682 794 836 868 931 1078 1178 1364 1463 1519 1588 1862 2156 2356 2387 2779 2926 3038 3724 4123 4367 4774 5558 5852 6076 6479 7543 8246 8734 9548 10241 11116 12307 12958 15086 16492 16709 17468 19453 20482 24614 25916 28861 30172 30569 33418 38906 40964 45353 49228 52801 57722 61138 66836 77812 82973 86149 90706 105602 115444 122276 135377 165946 172298 181412 211204 213983 233833 270754 317471 331892 344596 369607 427966 467666 541508 580811 603043 634942 739214 855932 935332 947639 1161622 1206086 1269884 1478428 1636831 1895278 2323244 2412172 2572163 3273662 3790556 4065677 5144326 6547324 6633473 8131354 10288652 11457817 13266946 16262708 18005141 22915634 26533892 36010282 45831268 72020564 126035987 252071974 504143948