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557842842 = 23310330423
BaseRepresentation
bin100001010000000…
…000000110011010
31102212200100112000
4201100000012122
52120301432332
6131204301430
716552404654
oct4120000632
91385610460
10557842842
11266984647
121369a1876
138b75822b
14541316d4
1533e91b7c
hex2140019a

557842842 has 16 divisors (see below), whose sum is σ = 1239650880. Its totient is φ = 185947596.

The previous prime is 557842787. The next prime is 557842847. The reversal of 557842842 is 248248755.

It is a super-3 number, since 3×5578428423 (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (557842847) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5165158 + ... + 5165265.

It is an arithmetic number, because the mean of its divisors is an integer number (77478180).

Almost surely, 2557842842 is an apocalyptic number.

557842842 is an abundant number, since it is smaller than the sum of its proper divisors (681808038).

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

557842842 is a wasteful number, since it uses less digits than its factorization.

557842842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10330434 (or 10330428 counting only the distinct ones).

The product of its digits is 716800, while the sum is 45.

The square root of 557842842 is about 23618.6968734518. The cubic root of 557842842 is about 823.1973333729.

The spelling of 557842842 in words is "five hundred fifty-seven million, eight hundred forty-two thousand, eight hundred forty-two".

Divisors: 1 2 3 6 9 18 27 54 10330423 20660846 30991269 61982538 92973807 185947614 278921421 557842842