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52731552 = 2531779409
BaseRepresentation
bin1100100100100…
…1111010100000
310200020001002110
43021021322200
5101444402202
65122115320
71210132206
oct311117240
9120201073
1052731552
1127846aa5
12157abb40
13ac03803
147009076
15496926c
hex3249ea0

52731552 has 96 divisors (see below), whose sum is σ = 148780800. Its totient is φ = 16293888.

The previous prime is 52731463. The next prime is 52731577. The reversal of 52731552 is 25513725.

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

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 15 ways as a sum of consecutive naturals, for example, 128724 + ... + 129132.

It is an arithmetic number, because the mean of its divisors is an integer number (1549800).

Almost surely, 252731552 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 52731552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74390400).

52731552 is an abundant number, since it is smaller than the sum of its proper divisors (96049248).

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

52731552 is a wasteful number, since it uses less digits than its factorization.

52731552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518 (or 510 counting only the distinct ones).

The product of its digits is 10500, while the sum is 30.

The square root of 52731552 is about 7261.6493994133. The cubic root of 52731552 is about 374.9933083250.

The spelling of 52731552 in words is "fifty-two million, seven hundred thirty-one thousand, five hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 16 17 24 32 34 48 51 68 79 96 102 136 158 204 237 272 316 408 409 474 544 632 816 818 948 1227 1264 1343 1632 1636 1896 2454 2528 2686 3272 3792 4029 4908 5372 6544 6953 7584 8058 9816 10744 13088 13906 16116 19632 20859 21488 27812 32232 32311 39264 41718 42976 55624 64464 64622 83436 96933 111248 128928 129244 166872 193866 222496 258488 333744 387732 516976 549287 667488 775464 1033952 1098574 1550928 1647861 2197148 3101856 3295722 4394296 6591444 8788592 13182888 17577184 26365776 52731552