Search a number
-
+
57073512 = 2334395417
BaseRepresentation
bin1101100110110…
…1111101101000
310222101122010210
43121231331220
5104102323022
65355141120
71262055036
oct331557550
9128348123
1057073512
112a2421a1
12171447a0
13ba93c12
147819556
155025a0c
hex366df68

57073512 has 32 divisors (see below), whose sum is σ = 143035200. Its totient is φ = 18977664.

The previous prime is 57073493. The next prime is 57073543. The reversal of 57073512 is 21537075.

It is a self number, because there is not a number n which added to its sum of digits gives 57073512.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7828 + ... + 13244.

It is an arithmetic number, because the mean of its divisors is an integer number (4469850).

Almost surely, 257073512 is an apocalyptic number.

It is an amenable number.

57073512 is an abundant number, since it is smaller than the sum of its proper divisors (85961688).

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

57073512 is a wasteful number, since it uses less digits than its factorization.

57073512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5865 (or 5861 counting only the distinct ones).

The product of its (nonzero) digits is 7350, while the sum is 30.

The square root of 57073512 is about 7554.7013177226. The cubic root of 57073512 is about 385.0154870928.

The spelling of 57073512 in words is "fifty-seven million, seventy-three thousand, five hundred twelve".

Divisors: 1 2 3 4 6 8 12 24 439 878 1317 1756 2634 3512 5268 5417 10536 10834 16251 21668 32502 43336 65004 130008 2378063 4756126 7134189 9512252 14268378 19024504 28536756 57073512