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57155366 = 2233122651
BaseRepresentation
bin1101101000000…
…1111100100110
310222112210102102
43122001330212
5104112432431
65401012102
71262545502
oct332017446
9128483372
1057155366
112a298744
1217184032
13bac2258
14783b302
15503edcb
hex3681f26

57155366 has 8 divisors (see below), whose sum is σ = 86101704. Its totient is φ = 28454800.

The previous prime is 57155327. The next prime is 57155369. The reversal of 57155366 is 66355175.

57155366 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57155369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60860 + ... + 61791.

It is an arithmetic number, because the mean of its divisors is an integer number (10762713).

Almost surely, 257155366 is an apocalyptic number.

57155366 is a deficient number, since it is larger than the sum of its proper divisors (28946338).

57155366 is a wasteful number, since it uses less digits than its factorization.

57155366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122886.

The product of its digits is 94500, while the sum is 38.

The square root of 57155366 is about 7560.1167980396. The cubic root of 57155366 is about 385.1994603723.

The spelling of 57155366 in words is "fifty-seven million, one hundred fifty-five thousand, three hundred sixty-six".

Divisors: 1 2 233 466 122651 245302 28577683 57155366