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457838472 = 233713415113
BaseRepresentation
bin11011010010100…
…000111110001000
31011220111121022110
4123102200332020
51414201312342
6113233022320
714226364020
oct3322407610
91156447273
10457838472
1121548a903
121093b49a0
1373b12750
1444b3ca80
152a2dac9c
hex1b4a0f88

457838472 has 128 divisors (see below), whose sum is σ = 1443375360. Its totient is φ = 117780480.

The previous prime is 457838471. The next prime is 457838527. The reversal of 457838472 is 274838754.

It is not an unprimeable number, because it can be changed into a prime (457838471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 86988 + ... + 92100.

It is an arithmetic number, because the mean of its divisors is an integer number (11276370).

Almost surely, 2457838472 is an apocalyptic number.

457838472 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 457838472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (721687680).

457838472 is an abundant number, since it is smaller than the sum of its proper divisors (985536888).

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

457838472 is a wasteful number, since it uses less digits than its factorization.

457838472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5183 (or 5179 counting only the distinct ones).

The product of its digits is 1505280, while the sum is 48.

The square root of 457838472 is about 21397.1603723485. The cubic root of 457838472 is about 770.7332487915.

The spelling of 457838472 in words is "four hundred fifty-seven million, eight hundred thirty-eight thousand, four hundred seventy-two".

Divisors: 1 2 3 4 6 7 8 12 13 14 21 24 26 28 39 41 42 52 56 78 82 84 91 104 123 156 164 168 182 246 273 287 312 328 364 492 533 546 574 728 861 984 1066 1092 1148 1599 1722 2132 2184 2296 3198 3444 3731 4264 5113 6396 6888 7462 10226 11193 12792 14924 15339 20452 22386 29848 30678 35791 40904 44772 61356 66469 71582 89544 107373 122712 132938 143164 199407 209633 214746 265876 286328 398814 419266 429492 465283 531752 628899 797628 838532 858984 930566 1257798 1395849 1467431 1595256 1677064 1861132 2515596 2725229 2791698 2934862 3722264 4402293 5031192 5450458 5583396 5869724 8175687 8804586 10900916 11166792 11739448 16351374 17609172 19076603 21801832 32702748 35218344 38153206 57229809 65405496 76306412 114459618 152612824 228919236 457838472