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57727025 = 522309081
BaseRepresentation
bin1101110000110…
…1100000110001
311000121211120222
43130031200301
5104234231100
65421142425
71300446236
oct334154061
9130554528
1057727025
112a649194
12173baa15
13bc62505
14794978d
155104485
hex370d831

57727025 has 6 divisors (see below), whose sum is σ = 71581542. Its totient is φ = 46181600.

The previous prime is 57727009. The next prime is 57727031. The reversal of 57727025 is 52072775.

It can be written as a sum of positive squares in 3 ways, for example, as 4393216 + 53333809 = 2096^2 + 7303^2 .

It is not a de Polignac number, because 57727025 - 24 = 57727009 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1154516 + ... + 1154565.

It is an arithmetic number, because the mean of its divisors is an integer number (11930257).

Almost surely, 257727025 is an apocalyptic number.

It is an amenable number.

57727025 is a deficient number, since it is larger than the sum of its proper divisors (13854517).

57727025 is a wasteful number, since it uses less digits than its factorization.

57727025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2309091 (or 2309086 counting only the distinct ones).

The product of its (nonzero) digits is 34300, while the sum is 35.

The square root of 57727025 is about 7597.8302823898. The cubic root of 57727025 is about 386.4794372820.

The spelling of 57727025 in words is "fifty-seven million, seven hundred twenty-seven thousand, twenty-five".

Divisors: 1 5 25 2309081 11545405 57727025