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13090651 = 72118863
BaseRepresentation
bin110001111011…
…111101011011
3220122001222221
4301323331123
511322400101
61144324511
7216161110
oct61737533
926561887
1013090651
117431222
124473737
132934562
141a4a907
151238aa1
hexc7bf5b

13090651 has 8 divisors (see below), whose sum is σ = 15033344. Its totient is φ = 11166120.

The previous prime is 13090633. The next prime is 13090667. The reversal of 13090651 is 15609031.

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

It is not a de Polignac number, because 13090651 - 217 = 12959579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13090631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2955 + ... + 5908.

It is an arithmetic number, because the mean of its divisors is an integer number (1879168).

Almost surely, 213090651 is an apocalyptic number.

13090651 is a deficient number, since it is larger than the sum of its proper divisors (1942693).

13090651 is an equidigital number, since it uses as much as digits as its factorization.

13090651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9081.

The product of its (nonzero) digits is 810, while the sum is 25.

The square root of 13090651 is about 3618.1004684779. The cubic root of 13090651 is about 235.6787439175.

Adding to 13090651 its reverse (15609031), we get a palindrome (28699682).

The spelling of 13090651 in words is "thirteen million, ninety thousand, six hundred fifty-one".

Divisors: 1 7 211 1477 8863 62041 1870093 13090651