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557893460 = 22527894673
BaseRepresentation
bin100001010000001…
…100011101010100
31102212202220221202
4201100030131110
52120310042320
6131205332032
716553005355
oct4120143524
91385686852
10557893460
11266a09683
12136a07018
138b775297
1454145d2c
1533ea1b75
hex2140c754

557893460 has 12 divisors (see below), whose sum is σ = 1171576308. Its totient is φ = 223157376.

The previous prime is 557893459. The next prime is 557893487. The reversal of 557893460 is 64398755.

It can be written as a sum of positive squares in 2 ways, for example, as 221831236 + 336062224 = 14894^2 + 18332^2 .

It is a super-2 number, since 2×5578934602 = 622490225421543200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13947317 + ... + 13947356.

It is an arithmetic number, because the mean of its divisors is an integer number (97631359).

Almost surely, 2557893460 is an apocalyptic number.

It is an amenable number.

557893460 is an abundant number, since it is smaller than the sum of its proper divisors (613682848).

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

557893460 is a wasteful number, since it uses less digits than its factorization.

557893460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27894682 (or 27894680 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 47.

The square root of 557893460 is about 23619.7684154608. The cubic root of 557893460 is about 823.2222312708. Note that the first 4 decimals are identical.

The spelling of 557893460 in words is "five hundred fifty-seven million, eight hundred ninety-three thousand, four hundred sixty".

Divisors: 1 2 4 5 10 20 27894673 55789346 111578692 139473365 278946730 557893460