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57570070 = 256838429
BaseRepresentation
bin1101101110011…
…1001100010110
311000022212021211
43123213030112
5104214220240
65413532034
71266223525
oct333471426
9130285254
1057570070
112a551278
121734401a
13bc08c3c
1479084bc
1550c2bea
hex36e7316

57570070 has 16 divisors (see below), whose sum is σ = 103790160. Its totient is φ = 22991584.

The previous prime is 57570067. The next prime is 57570089. The reversal of 57570070 is 7007575.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2616 + ... + 11044.

It is an arithmetic number, because the mean of its divisors is an integer number (6486885).

Almost surely, 257570070 is an apocalyptic number.

57570070 is a deficient number, since it is larger than the sum of its proper divisors (46220090).

57570070 is a wasteful number, since it uses less digits than its factorization.

57570070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9119.

The product of its (nonzero) digits is 8575, while the sum is 31.

The square root of 57570070 is about 7587.4943163076. The cubic root of 57570070 is about 386.1288508240.

The spelling of 57570070 in words is "fifty-seven million, five hundred seventy thousand, seventy".

Divisors: 1 2 5 10 683 1366 3415 6830 8429 16858 42145 84290 5757007 11514014 28785035 57570070