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57996443 = 311870853
BaseRepresentation
bin1101110100111…
…1010010011011
311001010112011102
43131033102123
5104321341233
65431022015
71302650561
oct335172233
9131115142
1057996443
112a81264a
121750a90b
13c02802b
1479b9a31
1551591e8
hex374f49b

57996443 has 4 divisors (see below), whose sum is σ = 59867328. Its totient is φ = 56125560.

The previous prime is 57996437. The next prime is 57996467. The reversal of 57996443 is 34469975.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 57996443 - 214 = 57980059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57996413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 935396 + ... + 935457.

It is an arithmetic number, because the mean of its divisors is an integer number (14966832).

Almost surely, 257996443 is an apocalyptic number.

57996443 is a deficient number, since it is larger than the sum of its proper divisors (1870885).

57996443 is a wasteful number, since it uses less digits than its factorization.

57996443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1870884.

The product of its digits is 816480, while the sum is 47.

The square root of 57996443 is about 7615.5395737925. The cubic root of 57996443 is about 387.0797508503.

The spelling of 57996443 in words is "fifty-seven million, nine hundred ninety-six thousand, four hundred forty-three".

Divisors: 1 31 1870853 57996443