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13008986 = 26504493
BaseRepresentation
bin110001101000…
…000001011010
3220110220222022
4301220001122
511312241421
61142454442
7215401034
oct61500132
926426868
1013008986
117385931
124434422
132906333
141a28c54
15121e7ab
hexc6805a

13008986 has 4 divisors (see below), whose sum is σ = 19513482. Its totient is φ = 6504492.

The previous prime is 13008979. The next prime is 13008997. The reversal of 13008986 is 68980031.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 9186961 + 3822025 = 3031^2 + 1955^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3252245 + ... + 3252248.

Almost surely, 213008986 is an apocalyptic number.

13008986 is a deficient number, since it is larger than the sum of its proper divisors (6504496).

13008986 is an equidigital number, since it uses as much as digits as its factorization.

13008986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6504495.

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

The square root of 13008986 is about 3606.7971941877. The cubic root of 13008986 is about 235.1876334567.

The spelling of 13008986 in words is "thirteen million, eight thousand, nine hundred eighty-six".

Divisors: 1 2 6504493 13008986