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52739712 = 2732172693
BaseRepresentation
bin1100100100101…
…1111010000000
310200020110021200
43021023322000
5102000132322
65122221200
71210165044
oct311137200
9120213250
1052739712
1127852143
12157b4800
13ac0743c
14700c024
15496b8ac
hex324be80

52739712 has 96 divisors (see below), whose sum is σ = 160750980. Its totient is φ = 16539648.

The previous prime is 52739693. The next prime is 52739737. The reversal of 52739712 is 21793725.

It can be written as a sum of positive squares in 2 ways, for example, as 52186176 + 553536 = 7224^2 + 744^2 .

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 18238 + ... + 20930.

Almost surely, 252739712 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 52739712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80375490).

52739712 is an abundant number, since it is smaller than the sum of its proper divisors (108011268).

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

52739712 is a wasteful number, since it uses less digits than its factorization.

52739712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2730 (or 2715 counting only the distinct ones).

The product of its digits is 26460, while the sum is 36.

The square root of 52739712 is about 7262.2112335018. The cubic root of 52739712 is about 375.0126502399.

The spelling of 52739712 in words is "fifty-two million, seven hundred thirty-nine thousand, seven hundred twelve".

Divisors: 1 2 3 4 6 8 9 12 16 17 18 24 32 34 36 48 51 64 68 72 96 102 128 136 144 153 192 204 272 288 306 384 408 544 576 612 816 1088 1152 1224 1632 2176 2448 2693 3264 4896 5386 6528 8079 9792 10772 16158 19584 21544 24237 32316 43088 45781 48474 64632 86176 91562 96948 129264 137343 172352 183124 193896 258528 274686 344704 366248 387792 412029 517056 549372 732496 775584 824058 1034112 1098744 1464992 1551168 1648116 2197488 2929984 3102336 3296232 4394976 5859968 6592464 8789952 13184928 17579904 26369856 52739712