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58508725 = 52111511409
BaseRepresentation
bin1101111100110…
…0010110110101
311002002112212211
43133030112311
5104434234400
65450013421
71310213242
oct337142665
9132075784
1058508725
1130032520
1217717271
13c177262
147ab05c9
15520adba
hex37cc5b5

58508725 has 24 divisors (see below), whose sum is σ = 79727040. Its totient is φ = 42240000.

The previous prime is 58508663. The next prime is 58508759. The reversal of 58508725 is 52780585.

It is not a de Polignac number, because 58508725 - 211 = 58506677 is a prime.

It is a super-2 number, since 2×585087252 = 6846541802251250, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40821 + ... + 42229.

It is an arithmetic number, because the mean of its divisors is an integer number (3321960).

Almost surely, 258508725 is an apocalyptic number.

58508725 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

58508725 is a deficient number, since it is larger than the sum of its proper divisors (21218315).

58508725 is a wasteful number, since it uses less digits than its factorization.

58508725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1581 (or 1576 counting only the distinct ones).

The product of its (nonzero) digits is 112000, while the sum is 40.

The square root of 58508725 is about 7649.0996202167. The cubic root of 58508725 is about 388.2161021162.

The spelling of 58508725 in words is "fifty-eight million, five hundred eight thousand, seven hundred twenty-five".

Divisors: 1 5 11 25 55 151 275 755 1409 1661 3775 7045 8305 15499 35225 41525 77495 212759 387475 1063795 2340349 5318975 11701745 58508725