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557870012 = 227111717837
BaseRepresentation
bin100001010000000…
…110101110111100
31102212201201210022
4201100012232330
52120303320022
6131205031312
716552550120
oct4120065674
91385651708
10557870012
112669a2aa7
121369b5538
138b7676cb
145413b580
1533e99c42
hex21406bbc

557870012 has 24 divisors (see below), whose sum is σ = 1116801504. Its totient is φ = 238859712.

The previous prime is 557870009. The next prime is 557870021. The reversal of 557870012 is 210078755.

It is a super-2 number, since 2×5578700122 = 622437900577760288, 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 (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22358 + ... + 40194.

It is an arithmetic number, because the mean of its divisors is an integer number (46533396).

Almost surely, 2557870012 is an apocalyptic number.

It is an amenable number.

557870012 is an abundant number, since it is smaller than the sum of its proper divisors (558931492).

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

557870012 is a wasteful number, since it uses less digits than its factorization.

557870012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18965 (or 18963 counting only the distinct ones).

The product of its (nonzero) digits is 19600, while the sum is 35.

The square root of 557870012 is about 23619.2720463608. The cubic root of 557870012 is about 823.2106978946.

The spelling of 557870012 in words is "five hundred fifty-seven million, eight hundred seventy thousand, twelve".

Divisors: 1 2 4 7 14 28 1117 2234 4468 7819 15638 17837 31276 35674 71348 124859 249718 499436 19923929 39847858 79695716 139467503 278935006 557870012