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53012792 = 2372379521
BaseRepresentation
bin1100101000111…
…0100100111000
310200202022212202
43022032210320
5102032402132
65132125332
71212413150
oct312164470
9120668782
1053012792
1127a19328
1215906848
13aca1821
14707d760
1549c2762
hex328e938

53012792 has 64 divisors (see below), whose sum is σ = 120268800. Its totient is φ = 21415680.

The previous prime is 53012767. The next prime is 53012797. The reversal of 53012792 is 29721035.

It is a super-2 number, since 2×530127922 = 5620712231270528, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53012797) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101492 + ... + 102012.

It is an arithmetic number, because the mean of its divisors is an integer number (1879200).

Almost surely, 253012792 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 53012792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60134400).

53012792 is an abundant number, since it is smaller than the sum of its proper divisors (67256008).

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

53012792 is a wasteful number, since it uses less digits than its factorization.

53012792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 636 (or 632 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 53012792 is about 7280.9883944421. The cubic root of 53012792 is about 375.6587933731.

The spelling of 53012792 in words is "fifty-three million, twelve thousand, seven hundred ninety-two".

Divisors: 1 2 4 7 8 14 23 28 46 56 79 92 158 161 184 316 322 521 553 632 644 1042 1106 1288 1817 2084 2212 3634 3647 4168 4424 7268 7294 11983 12719 14536 14588 23966 25438 29176 41159 47932 50876 82318 83881 95864 101752 164636 167762 288113 329272 335524 576226 671048 946657 1152452 1893314 2304904 3786628 6626599 7573256 13253198 26506396 53012792