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2690630884 = 221813716341
BaseRepresentation
bin1010000001011111…
…1100010011100100
320221111220012200201
42200113330103210
521002300142014
61122553320244
7123450661624
oct24027742344
96844805621
102690630884
111160877897
12631106084
1333b5860a6
141b74b4884
1510b333e74
hexa05fc4e4

2690630884 has 12 divisors (see below), whose sum is σ = 4734619708. Its totient is φ = 1337882400.

The previous prime is 2690630879. The next prime is 2690630897. The reversal of 2690630884 is 4880360962.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 994014784 + 1696616100 = 31528^2 + 41190^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1857447 + ... + 1858894.

Almost surely, 22690630884 is an apocalyptic number.

It is an amenable number.

2690630884 is a deficient number, since it is larger than the sum of its proper divisors (2043988824).

2690630884 is a wasteful number, since it uses less digits than its factorization.

2690630884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3716526 (or 3716524 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 46.

The square root of 2690630884 is about 51871.2915204547. The cubic root of 2690630884 is about 1390.8641322074.

The spelling of 2690630884 in words is "two billion, six hundred ninety million, six hundred thirty thousand, eight hundred eighty-four".

Divisors: 1 2 4 181 362 724 3716341 7432682 14865364 672657721 1345315442 2690630884