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57998088 = 23322335023
BaseRepresentation
bin1101110100111…
…1101100001000
311001010121102100
43131033230020
5104321414323
65431033400
71302655431
oct335175410
9131117370
1057998088
112a813905
121750b860
13c0289c5
1479ba488
155159943
hex374fb08

57998088 has 48 divisors (see below), whose sum is σ = 163912320. Its totient is φ = 18491616.

The previous prime is 57998069. The next prime is 57998113. The reversal of 57998088 is 88089975.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15856 + ... + 19167.

It is an arithmetic number, because the mean of its divisors is an integer number (3414840).

Almost surely, 257998088 is an apocalyptic number.

It is an amenable number.

57998088 is an abundant number, since it is smaller than the sum of its proper divisors (105914232).

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

57998088 is a wasteful number, since it uses less digits than its factorization.

57998088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35058 (or 35051 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 54.

The square root of 57998088 is about 7615.6475758795. The cubic root of 57998088 is about 387.0834105010.

The spelling of 57998088 in words is "fifty-seven million, nine hundred ninety-eight thousand, eighty-eight".

Divisors: 1 2 3 4 6 8 9 12 18 23 24 36 46 69 72 92 138 184 207 276 414 552 828 1656 35023 70046 105069 140092 210138 280184 315207 420276 630414 805529 840552 1260828 1611058 2416587 2521656 3222116 4833174 6444232 7249761 9666348 14499522 19332696 28999044 57998088