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13085616 = 2431791523
BaseRepresentation
bin110001111010…
…101110110000
3220121211002110
4301322232300
511322214431
61144245320
7216140325
oct61725660
926554073
1013085616
117428465
124470840
13293218b
141a48b4c
151237346
hexc7abb0

13085616 has 40 divisors (see below), whose sum is σ = 34015680. Its totient is φ = 4334656.

The previous prime is 13085603. The next prime is 13085617. The reversal of 13085616 is 61658031.

It is not an unprimeable number, because it can be changed into a prime (13085617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7831 + ... + 9353.

It is an arithmetic number, because the mean of its divisors is an integer number (850392).

Almost surely, 213085616 is an apocalyptic number.

13085616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13085616 is an abundant number, since it is smaller than the sum of its proper divisors (20930064).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13085616 is a wasteful number, since it uses less digits than its factorization.

13085616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1713 (or 1707 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 13085616 is about 3617.4045944572. The cubic root of 13085616 is about 235.6485240136.

The spelling of 13085616 in words is "thirteen million, eighty-five thousand, six hundred sixteen".

Divisors: 1 2 3 4 6 8 12 16 24 48 179 358 537 716 1074 1432 1523 2148 2864 3046 4296 4569 6092 8592 9138 12184 18276 24368 36552 73104 272617 545234 817851 1090468 1635702 2180936 3271404 4361872 6542808 13085616