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57580025 = 5212311871
BaseRepresentation
bin1101101110100…
…1100111111001
311000100100221112
43123221213321
5104220030100
65414050105
71266264536
oct333514771
9130310845
1057580025
112a5587a8
1217349935
13bc10629
14790bd8d
1550c5b35
hex36e99f9

57580025 has 12 divisors (see below), whose sum is σ = 71495424. Its totient is φ = 46002000.

The previous prime is 57580021. The next prime is 57580027. The reversal of 57580025 is 52008575.

It is a happy number.

It is not a de Polignac number, because 57580025 - 22 = 57580021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 57579973 and 57580000.

It is not an unprimeable number, because it can be changed into a prime (57580021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29840 + ... + 31710.

It is an arithmetic number, because the mean of its divisors is an integer number (5957952).

Almost surely, 257580025 is an apocalyptic number.

It is an amenable number.

57580025 is a deficient number, since it is larger than the sum of its proper divisors (13915399).

57580025 is a wasteful number, since it uses less digits than its factorization.

57580025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3112 (or 3107 counting only the distinct ones).

The product of its (nonzero) digits is 14000, while the sum is 32.

The square root of 57580025 is about 7588.1503016216. The cubic root of 57580025 is about 386.1511059713.

The spelling of 57580025 in words is "fifty-seven million, five hundred eighty thousand, twenty-five".

Divisors: 1 5 25 1231 1871 6155 9355 30775 46775 2303201 11516005 57580025