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13950986 = 272142357
BaseRepresentation
bin110101001110…
…000000001010
3222020210011012
4311032000022
512032412421
61215003522
7226403300
oct65160012
928223135
1013950986
117969645
1248095a2
132b7602a
141bd2270
15135895b
hexd4e00a

13950986 has 12 divisors (see below), whose sum is σ = 24343218. Its totient is φ = 5978952.

The previous prime is 13950983. The next prime is 13950991. The reversal of 13950986 is 68905931.

It can be written as a sum of positive squares in only one way, i.e., 13920361 + 30625 = 3731^2 + 175^2 .

It is not an unprimeable number, because it can be changed into a prime (13950983) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 71081 + ... + 71276.

Almost surely, 213950986 is an apocalyptic number.

13950986 is a deficient number, since it is larger than the sum of its proper divisors (10392232).

13950986 is a wasteful number, since it uses less digits than its factorization.

13950986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142373 (or 142366 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 41.

The square root of 13950986 is about 3735.1018727740. The cubic root of 13950986 is about 240.7326339408.

The spelling of 13950986 in words is "thirteen million, nine hundred fifty thousand, nine hundred eighty-six".

Divisors: 1 2 7 14 49 98 142357 284714 996499 1992998 6975493 13950986