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52921634528 = 257475026751
BaseRepresentation
bin110001010010011000…
…000000111011100000
312001121012101120202002
4301102120000323200
51331340414301103
640151210143132
73552306320450
oct612230007340
9161535346662
1052921634528
1120497979344
12a30b421aa8
134cb5146b59
1427c0777d60
15159b109488
hexc52600ee0

52921634528 has 48 divisors (see below), whose sum is σ = 121607184384. Its totient is φ = 22198128000.

The previous prime is 52921634527. The next prime is 52921634561. The reversal of 52921634528 is 82543612925.

It is a super-2 number, since 2×529216345282 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52921634527) 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 7 ways as a sum of consecutive naturals, for example, 2502848 + ... + 2523903.

It is an arithmetic number, because the mean of its divisors is an integer number (2533483008).

Almost surely, 252921634528 is an apocalyptic number.

It is an amenable number.

52921634528 is an abundant number, since it is smaller than the sum of its proper divisors (68685549856).

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

52921634528 is a wasteful number, since it uses less digits than its factorization.

52921634528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5026815 (or 5026807 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 47.

The spelling of 52921634528 in words is "fifty-two billion, nine hundred twenty-one million, six hundred thirty-four thousand, five hundred twenty-eight".

Divisors: 1 2 4 7 8 14 16 28 32 47 56 94 112 188 224 329 376 658 752 1316 1504 2632 5264 10528 5026751 10053502 20107004 35187257 40214008 70374514 80428016 140749028 160856032 236257297 281498056 472514594 562996112 945029188 1125992224 1653801079 1890058376 3307602158 3780116752 6615204316 7560233504 13230408632 26460817264 52921634528