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557285408 = 25147111839
BaseRepresentation
bin100001001101111…
…000000000100000
31102211122000212022
4201031320000200
52120131113113
6131144321012
716544563541
oct4115700040
91384560768
10557285408
11266633859
12136773168
138b5c15a4
14540284c8
1533dd1908
hex21378020

557285408 has 24 divisors (see below), whose sum is σ = 1097994240. Its totient is φ = 278429760.

The previous prime is 557285401. The next prime is 557285429. The reversal of 557285408 is 804582755.

It is not an unprimeable number, because it can be changed into a prime (557285401) 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, 41153 + ... + 52991.

It is an arithmetic number, because the mean of its divisors is an integer number (45749760).

Almost surely, 2557285408 is an apocalyptic number.

It is an amenable number.

557285408 is a deficient number, since it is larger than the sum of its proper divisors (540708832).

557285408 is a wasteful number, since it uses less digits than its factorization.

557285408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13320 (or 13312 counting only the distinct ones).

The product of its (nonzero) digits is 448000, while the sum is 44.

The square root of 557285408 is about 23606.8932305799. The cubic root of 557285408 is about 822.9230439853.

The spelling of 557285408 in words is "five hundred fifty-seven million, two hundred eighty-five thousand, four hundred eight".

Divisors: 1 2 4 8 16 32 1471 2942 5884 11768 11839 23536 23678 47072 47356 94712 189424 378848 17415169 34830338 69660676 139321352 278642704 557285408