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57394992 = 24317371901
BaseRepresentation
bin1101101011110…
…0011100110000
310222222222010110
43122330130300
5104143114432
65410101320
71264564224
oct332743460
9128888113
1057394992
112a441786
121727a840
13bb77345
1478a0784
15508adcc
hex36bc730

57394992 has 80 divisors (see below), whose sum is σ = 161320032. Its totient is φ = 17510400.

The previous prime is 57394969. The next prime is 57395003. The reversal of 57394992 is 29949375.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29242 + ... + 31142.

Almost surely, 257394992 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 57394992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80660016).

57394992 is an abundant number, since it is smaller than the sum of its proper divisors (103925040).

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

57394992 is a wasteful number, since it uses less digits than its factorization.

57394992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1966 (or 1960 counting only the distinct ones).

The product of its digits is 612360, while the sum is 48.

The square root of 57394992 is about 7575.9482574791. The cubic root of 57394992 is about 385.7370308359.

It can be divided in two parts, 5739 and 4992, that added together give a triangular number (10731 = T146).

The spelling of 57394992 in words is "fifty-seven million, three hundred ninety-four thousand, nine hundred ninety-two".

Divisors: 1 2 3 4 6 8 12 16 17 24 34 37 48 51 68 74 102 111 136 148 204 222 272 296 408 444 592 629 816 888 1258 1776 1887 1901 2516 3774 3802 5032 5703 7548 7604 10064 11406 15096 15208 22812 30192 30416 32317 45624 64634 70337 91248 96951 129268 140674 193902 211011 258536 281348 387804 422022 517072 562696 775608 844044 1125392 1195729 1551216 1688088 2391458 3376176 3587187 4782916 7174374 9565832 14348748 19131664 28697496 57394992