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57068148 = 22331153409
BaseRepresentation
bin1101100110110…
…0101001110100
310222101100210010
43121230221310
5104102140043
65355100220
71262033304
oct331545164
9128340703
1057068148
112a239165
1217141670
13ba91647
147817604
155024133
hex366ca74

57068148 has 24 divisors (see below), whose sum is σ = 137455360. Its totient is φ = 18408960.

The previous prime is 57068147. The next prime is 57068159. The reversal of 57068148 is 84186075.

It is a super-2 number, since 2×570681482 = 6513547032299808, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57068147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76333 + ... + 77076.

Almost surely, 257068148 is an apocalyptic number.

It is an amenable number.

57068148 is an abundant number, since it is smaller than the sum of its proper divisors (80387212).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57068148 is a wasteful number, since it uses less digits than its factorization.

57068148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153447 (or 153445 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 39.

The square root of 57068148 is about 7554.3462986548. The cubic root of 57068148 is about 385.0034249428.

The spelling of 57068148 in words is "fifty-seven million, sixty-eight thousand, one hundred forty-eight".

Divisors: 1 2 3 4 6 12 31 62 93 124 186 372 153409 306818 460227 613636 920454 1840908 4755679 9511358 14267037 19022716 28534074 57068148