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13087934 = 222732879
BaseRepresentation
bin110001111011…
…010010111110
3220121221021022
4301323102332
511322303214
61144304142
7216150146
oct61732276
926557238
1013087934
11742a182
124472052
132933252
141a49926
151237d8e
hexc7b4be

13087934 has 8 divisors (see below), whose sum is σ = 19647360. Its totient is φ = 6538816.

The previous prime is 13087931. The next prime is 13087937. The reversal of 13087934 is 43978031.

It is an interprime number because it is at equal distance from previous prime (13087931) and next prime (13087937).

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

It is a junction number, because it is equal to n+sod(n) for n = 13087894 and 13087903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13087931) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3107 + ... + 5985.

It is an arithmetic number, because the mean of its divisors is an integer number (2455920).

Almost surely, 213087934 is an apocalyptic number.

13087934 is a deficient number, since it is larger than the sum of its proper divisors (6559426).

13087934 is a wasteful number, since it uses less digits than its factorization.

13087934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5154.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 13087934 is about 3617.7249757271. The cubic root of 13087934 is about 235.6624375358.

The spelling of 13087934 in words is "thirteen million, eighty-seven thousand, nine hundred thirty-four".

Divisors: 1 2 2273 2879 4546 5758 6543967 13087934