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10641986 = 213813853
BaseRepresentation
bin101000100110…
…001001000010
3202000200001122
4220212021002
510211020421
61020032242
7156312125
oct50461102
922020048
1010641986
116009533
123692682
132287b44
1415b03bc
15e032ab
hexa26242

10641986 has 8 divisors (see below), whose sum is σ = 15978684. Its totient is φ = 5315760.

The previous prime is 10641937. The next prime is 10642039. The reversal of 10641986 is 68914601.

It can be written as a sum of positive squares in 2 ways, for example, as 9579025 + 1062961 = 3095^2 + 1031^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×106419862 = 226503732048392, which contains 22 as substring.

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, 836 + ... + 4688.

Almost surely, 210641986 is an apocalyptic number.

10641986 is a deficient number, since it is larger than the sum of its proper divisors (5336698).

10641986 is a wasteful number, since it uses less digits than its factorization.

10641986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5236.

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 10641986 is about 3262.2056955379. The cubic root of 10641986 is about 219.9585734670.

The spelling of 10641986 in words is "ten million, six hundred forty-one thousand, nine hundred eighty-six".

Divisors: 1 2 1381 2762 3853 7706 5320993 10641986