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13992718 = 231225689
BaseRepresentation
bin110101011000…
…001100001110
3222022220101211
4311120030032
512040231333
61215525034
7226636045
oct65301416
928286354
1013992718
117997a33
12482977a
132b8c01c
141c0355c
151365ecd
hexd5830e

13992718 has 8 divisors (see below), whose sum is σ = 21666240. Its totient is φ = 6770640.

The previous prime is 13992637. The next prime is 13992731. The reversal of 13992718 is 81729931.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112783 + ... + 112906.

It is an arithmetic number, because the mean of its divisors is an integer number (2708280).

Almost surely, 213992718 is an apocalyptic number.

13992718 is a deficient number, since it is larger than the sum of its proper divisors (7673522).

13992718 is a wasteful number, since it uses less digits than its factorization.

13992718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225722.

The product of its digits is 27216, while the sum is 40.

The square root of 13992718 is about 3740.6841620217. The cubic root of 13992718 is about 240.9724318942.

The spelling of 13992718 in words is "thirteen million, nine hundred ninety-two thousand, seven hundred eighteen".

Divisors: 1 2 31 62 225689 451378 6996359 13992718