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57250255 = 511450051
BaseRepresentation
bin1101101001100…
…1000111001111
310222201121120211
43122121013033
5104124002010
65403023251
71263422236
oct332310717
9128647524
1057250255
112a352a67
121720ab27
13bb264ba
147863b1d
15505d08a
hex36991cf

57250255 has 4 divisors (see below), whose sum is σ = 68700312. Its totient is φ = 45800200.

The previous prime is 57250241. The next prime is 57250267. The reversal of 57250255 is 55205275.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 57250255 - 25 = 57250223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5725021 + ... + 5725030.

It is an arithmetic number, because the mean of its divisors is an integer number (17175078).

Almost surely, 257250255 is an apocalyptic number.

57250255 is a deficient number, since it is larger than the sum of its proper divisors (11450057).

57250255 is a wasteful number, since it uses less digits than its factorization.

57250255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11450056.

The product of its (nonzero) digits is 17500, while the sum is 31.

The square root of 57250255 is about 7566.3898260663. The cubic root of 57250255 is about 385.4125111345.

The spelling of 57250255 in words is "fifty-seven million, two hundred fifty thousand, two hundred fifty-five".

Divisors: 1 5 11450051 57250255