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557501084 = 22719910753
BaseRepresentation
bin100001001110101…
…100101010011100
31102212000222201022
4201032230222130
52120210013314
6131153103312
716546452410
oct4116545234
91385028638
10557501084
112667708a8
12136857b38
138b6687ca
1454082d40
1533e2578e
hex213aca9c

557501084 has 12 divisors (see below), whose sum is σ = 1115002224. Its totient is φ = 238929024.

The previous prime is 557501081. The next prime is 557501107. The reversal of 557501084 is 480105755.

557501084 is an admirable number.

It is a super-2 number, since 2×5575010842 = 621614917322350112, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (557501081) 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, 9955349 + ... + 9955404.

It is an arithmetic number, because the mean of its divisors is an integer number (92916852).

Almost surely, 2557501084 is an apocalyptic number.

It is an amenable number.

557501084 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

557501084 is a wasteful number, since it uses less digits than its factorization.

557501084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19910764 (or 19910762 counting only the distinct ones).

The product of its (nonzero) digits is 28000, while the sum is 35.

The square root of 557501084 is about 23611.4608612004. The cubic root of 557501084 is about 823.0291905884.

The spelling of 557501084 in words is "five hundred fifty-seven million, five hundred one thousand, eighty-four".

Divisors: 1 2 4 7 14 28 19910753 39821506 79643012 139375271 278750542 557501084