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58172025 = 352775627
BaseRepresentation
bin1101110111101…
…0001001111001
311001110110000110
43131322021321
5104343001100
65434454533
71304311512
oct335721171
9131413013
1058172025
112a92255a
1217594449
13c089c22
147a23a09
155191250
hex377a279

58172025 has 12 divisors (see below), whose sum is σ = 96177872. Its totient is φ = 31025040.

The previous prime is 58172017. The next prime is 58172039. The reversal of 58172025 is 52027185.

It is not a de Polignac number, because 58172025 - 23 = 58172017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 58171983 and 58172001.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 387739 + ... + 387888.

Almost surely, 258172025 is an apocalyptic number.

It is an amenable number.

58172025 is a deficient number, since it is larger than the sum of its proper divisors (38005847).

58172025 is a wasteful number, since it uses less digits than its factorization.

58172025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 775640 (or 775635 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 30.

The square root of 58172025 is about 7627.0587384653. The cubic root of 58172025 is about 387.4699803314.

The spelling of 58172025 in words is "fifty-eight million, one hundred seventy-two thousand, twenty-five".

Divisors: 1 3 5 15 25 75 775627 2326881 3878135 11634405 19390675 58172025