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13312790 = 251331279
BaseRepresentation
bin110010110010…
…001100010110
3221001100201022
4302302030112
511402002130
61153201142
7221104541
oct62621426
927040638
1013312790
117573107
1245601b2
1329b16ba
141aa7858
15127e7e5
hexcb2316

13312790 has 8 divisors (see below), whose sum is σ = 23963040. Its totient is φ = 5325112.

The previous prime is 13312781. The next prime is 13312801. The reversal of 13312790 is 9721331.

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

It is a Curzon number.

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, 665630 + ... + 665649.

It is an arithmetic number, because the mean of its divisors is an integer number (2995380).

Almost surely, 213312790 is an apocalyptic number.

13312790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13312790 is a deficient number, since it is larger than the sum of its proper divisors (10650250).

13312790 is a wasteful number, since it uses less digits than its factorization.

13312790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1331286.

The product of its (nonzero) digits is 1134, while the sum is 26.

The square root of 13312790 is about 3648.6696205603. The cubic root of 13312790 is about 237.0043736248.

The spelling of 13312790 in words is "thirteen million, three hundred twelve thousand, seven hundred ninety".

Divisors: 1 2 5 10 1331279 2662558 6656395 13312790