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57310998 = 239551833
BaseRepresentation
bin1101101010011…
…1111100010110
310222211200220120
43122213330112
5104132422443
65404212410
71264064313
oct332477426
9128750816
1057310998
112a394668
121723a106
13bb48044
14787bd0a
155071083
hex36a7f16

57310998 has 8 divisors (see below), whose sum is σ = 114622008. Its totient is φ = 19103664.

The previous prime is 57310991. The next prime is 57311017. The reversal of 57310998 is 89901375.

It is a happy number.

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

57310998 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57310991) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4775911 + ... + 4775922.

It is an arithmetic number, because the mean of its divisors is an integer number (14327751).

Almost surely, 257310998 is an apocalyptic number.

57310998 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

57310998 is a wasteful number, since it uses less digits than its factorization.

57310998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9551838.

The product of its (nonzero) digits is 68040, while the sum is 42.

The square root of 57310998 is about 7570.4027633938. The cubic root of 57310998 is about 385.5487715887.

The spelling of 57310998 in words is "fifty-seven million, three hundred ten thousand, nine hundred ninety-eight".

Divisors: 1 2 3 6 9551833 19103666 28655499 57310998