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57996276 = 223133671013
BaseRepresentation
bin1101110100111…
…1001111110100
311001010111221020
43131033033310
5104321340101
65431021140
71302650232
oct335171764
9131114836
1057996276
112a812508
121750a7b0
13c027c30
1479b9952
155159136
hex374f3f4

57996276 has 48 divisors (see below), whose sum is σ = 146275584. Its totient is φ = 17778816.

The previous prime is 57996269. The next prime is 57996277. The reversal of 57996276 is 67269975.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57996277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56746 + ... + 57758.

It is an arithmetic number, because the mean of its divisors is an integer number (3047408).

Almost surely, 257996276 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57996276, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73137792).

57996276 is an abundant number, since it is smaller than the sum of its proper divisors (88279308).

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

57996276 is a wasteful number, since it uses less digits than its factorization.

57996276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1400 (or 1398 counting only the distinct ones).

The product of its digits is 1428840, while the sum is 51.

The square root of 57996276 is about 7615.5286093613. The cubic root of 57996276 is about 387.0793793196.

The spelling of 57996276 in words is "fifty-seven million, nine hundred ninety-six thousand, two hundred seventy-six".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 367 734 1013 1101 1468 2026 2202 3039 4052 4404 4771 6078 9542 12156 13169 14313 19084 26338 28626 39507 52676 57252 79014 158028 371771 743542 1115313 1487084 2230626 4461252 4833023 9666046 14499069 19332092 28998138 57996276