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52725828 = 223291271193
BaseRepresentation
bin1100100100100…
…0100001000100
310200012202020110
43021020201010
5101444211303
65122033020
71210106421
oct311104104
9120182213
1052725828
1127842771
12157a8770
13ac0101c
147006d48
154967703
hex3248844

52725828 has 48 divisors (see below), whose sum is σ = 128378880. Its totient is φ = 16821504.

The previous prime is 52725809. The next prime is 52725839. The reversal of 52725828 is 82852725.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43600 + ... + 44792.

It is an arithmetic number, because the mean of its divisors is an integer number (2674560).

Almost surely, 252725828 is an apocalyptic number.

52725828 is a gapful number since it is divisible by the number (58) 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 52725828, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64189440).

52725828 is an abundant number, since it is smaller than the sum of its proper divisors (75653052).

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

52725828 is a wasteful number, since it uses less digits than its factorization.

52725828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1356 (or 1354 counting only the distinct ones).

The product of its digits is 89600, while the sum is 39.

The square root of 52725828 is about 7261.2552633825. The cubic root of 52725828 is about 374.9797393498.

The spelling of 52725828 in words is "fifty-two million, seven hundred twenty-five thousand, eight hundred twenty-eight".

Divisors: 1 2 3 4 6 12 29 58 87 116 127 174 254 348 381 508 762 1193 1524 2386 3579 3683 4772 7158 7366 11049 14316 14732 22098 34597 44196 69194 103791 138388 151511 207582 303022 415164 454533 606044 909066 1818132 4393819 8787638 13181457 17575276 26362914 52725828