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557880213 = 31189189949
BaseRepresentation
bin100001010000001…
…001001110010101
31102212202020210010
4201100021032111
52120304131323
6131205150433
716552621632
oct4120111625
91385666703
10557880213
112669aa730
121369bb419
138b76c247
1454141189
1533e9cc93
hex21409395

557880213 has 16 divisors (see below), whose sum is σ = 820584000. Its totient is φ = 334308480.

The previous prime is 557880187. The next prime is 557880217. The reversal of 557880213 is 312088755.

It is not a de Polignac number, because 557880213 - 25 = 557880181 is a prime.

It is a super-2 number, since 2×5578802132 = 622460664113850738, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (557880217) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 92038 + ... + 97911.

It is an arithmetic number, because the mean of its divisors is an integer number (51286500).

Almost surely, 2557880213 is an apocalyptic number.

It is an amenable number.

557880213 is a deficient number, since it is larger than the sum of its proper divisors (262703787).

557880213 is a wasteful number, since it uses less digits than its factorization.

557880213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190052.

The product of its (nonzero) digits is 67200, while the sum is 39.

The square root of 557880213 is about 23619.4879919104. The cubic root of 557880213 is about 823.2157155039.

The spelling of 557880213 in words is "five hundred fifty-seven million, eight hundred eighty thousand, two hundred thirteen".

Divisors: 1 3 11 33 89 267 979 2937 189949 569847 2089439 6268317 16905461 50716383 185960071 557880213