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1679574684 = 223139964557
BaseRepresentation
bin110010000011100…
…0100011010011100
311100001102020022210
41210013010122130
511414432342214
6434355040420
756423102124
oct14407043234
94301366283
101679574684
11792092357
123aa5a0110
13209c77698
1411d0c9c84
159c6bbb59
hex641c469c

1679574684 has 12 divisors (see below), whose sum is σ = 3919007624. Its totient is φ = 559858224.

The previous prime is 1679574683. The next prime is 1679574697. The reversal of 1679574684 is 4864759761.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×16795746842 = 5641942238267399712, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1679574683) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 69982267 + ... + 69982290.

Almost surely, 21679574684 is an apocalyptic number.

It is an amenable number.

1679574684 is an abundant number, since it is smaller than the sum of its proper divisors (2239432940).

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

1679574684 is a wasteful number, since it uses less digits than its factorization.

1679574684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139964564 (or 139964562 counting only the distinct ones).

The product of its digits is 10160640, while the sum is 57.

The square root of 1679574684 is about 40982.6144114794. The cubic root of 1679574684 is about 1188.6840628353.

The spelling of 1679574684 in words is "one billion, six hundred seventy-nine million, five hundred seventy-four thousand, six hundred eighty-four".

Divisors: 1 2 3 4 6 12 139964557 279929114 419893671 559858228 839787342 1679574684