Search a number
-
+
57044232 = 233272192337
BaseRepresentation
bin1101100110011…
…0110100001000
310222100010222100
43121212310020
5104100403412
65354353400
71261603500
oct331466410
9128303870
1057044232
112a2221a3
121712b860
13ba837ab
14780ca00
15501bedc
hex3666d08

57044232 has 288 divisors, whose sum is σ = 202737600. Its totient is φ = 14370048.

The previous prime is 57044227. The next prime is 57044249. The reversal of 57044232 is 23244075.

It is a junction number, because it is equal to n+sod(n) for n = 57044196 and 57044205.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1541718 + ... + 1541754.

It is an arithmetic number, because the mean of its divisors is an integer number (703950).

Almost surely, 257044232 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 57044232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101368800).

57044232 is an abundant number, since it is smaller than the sum of its proper divisors (145693368).

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

57044232 is a wasteful number, since it uses less digits than its factorization.

57044232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105 (or 91 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

The square root of 57044232 is about 7552.7632029609. The cubic root of 57044232 is about 384.9496352850.

The spelling of 57044232 in words is "fifty-seven million, forty-four thousand, two hundred thirty-two".