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57155702 = 246161991
BaseRepresentation
bin1101101000001…
…0000001110110
310222112210212212
43122002001312
5104112440302
65401013422
71262546462
oct332020166
9128483785
1057155702
112a298a1a
1217184272
13bac2456
14783b4a2
155040052
hex3682076

57155702 has 8 divisors (see below), whose sum is σ = 85920912. Its totient is φ = 28515400.

The previous prime is 57155699. The next prime is 57155731. The reversal of 57155702 is 20755175.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×571557022 = 6533548542225608, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30074 + ... + 31917.

It is an arithmetic number, because the mean of its divisors is an integer number (10740114).

Almost surely, 257155702 is an apocalyptic number.

57155702 is a deficient number, since it is larger than the sum of its proper divisors (28765210).

57155702 is a wasteful number, since it uses less digits than its factorization.

57155702 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62454.

The product of its (nonzero) digits is 12250, while the sum is 32.

The square root of 57155702 is about 7560.1390198858. The cubic root of 57155702 is about 385.2002151965.

The spelling of 57155702 in words is "fifty-seven million, one hundred fifty-five thousand, seven hundred two".

Divisors: 1 2 461 922 61991 123982 28577851 57155702