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57575225 = 5219532287
BaseRepresentation
bin1101101110100…
…0011100111001
311000100010100202
43123220130321
5104214401400
65414011545
71266244541
oct333503471
9130303322
1057575225
112a555134
1217346bb5
13bc0b3a6
14790a321
1550c44d5
hex36e8739

57575225 has 24 divisors (see below), whose sum is σ = 76602240. Its totient is φ = 42793920.

The previous prime is 57575207. The next prime is 57575251. The reversal of 57575225 is 52257575.

It is not a de Polignac number, because 57575225 - 214 = 57558841 is a prime.

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, 24032 + ... + 26318.

It is an arithmetic number, because the mean of its divisors is an integer number (3191760).

Almost surely, 257575225 is an apocalyptic number.

It is an amenable number.

57575225 is a deficient number, since it is larger than the sum of its proper divisors (19027015).

57575225 is a wasteful number, since it uses less digits than its factorization.

57575225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2369 (or 2364 counting only the distinct ones).

The product of its digits is 122500, while the sum is 38.

The square root of 57575225 is about 7587.8340124175. The cubic root of 57575225 is about 386.1403755325.

The spelling of 57575225 in words is "fifty-seven million, five hundred seventy-five thousand, two hundred twenty-five".

Divisors: 1 5 19 25 53 95 265 475 1007 1325 2287 5035 11435 25175 43453 57175 121211 217265 606055 1086325 2303009 3030275 11515045 57575225