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57552130 = 2517893217
BaseRepresentation
bin1101101110001…
…0110100000010
311000021221200101
43123202310002
5104213132010
65413313014
71266120316
oct333426402
9130257611
1057552130
112a539849
121733576a
13bc00a1c
147901b46
1550bc73a
hex36e2d02

57552130 has 16 divisors (see below), whose sum is σ = 103683960. Its totient is φ = 23000832.

The previous prime is 57552119. The next prime is 57552133. The reversal of 57552130 is 3125575.

It can be written as a sum of positive squares in 4 ways, for example, as 57441241 + 110889 = 7579^2 + 333^2 .

It is a super-4 number, since 4×575521304 (a number of 32 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (57552133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16282 + ... + 19498.

Almost surely, 257552130 is an apocalyptic number.

57552130 is a deficient number, since it is larger than the sum of its proper divisors (46131830).

57552130 is a wasteful number, since it uses less digits than its factorization.

57552130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5013.

The product of its (nonzero) digits is 5250, while the sum is 28.

The square root of 57552130 is about 7586.3120157294. The cubic root of 57552130 is about 386.0887381332.

The spelling of 57552130 in words is "fifty-seven million, five hundred fifty-two thousand, one hundred thirty".

Divisors: 1 2 5 10 1789 3217 3578 6434 8945 16085 17890 32170 5755213 11510426 28776065 57552130