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13813113 = 37436197
BaseRepresentation
bin110100101100…
…010101111001
3221222210000210
4310230111321
512014004423
61212021333
7225260316
oct64542571
927883023
1013813113
117884aa6
124761849
132b28352
141b97d0d
15132cb93
hexd2c579

13813113 has 8 divisors (see below), whose sum is σ = 18445248. Its totient is φ = 9194864.

The previous prime is 13813097. The next prime is 13813123. The reversal of 13813113 is 31131831.

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

It is a cyclic number.

It is not a de Polignac number, because 13813113 - 24 = 13813097 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13813113.

It is not an unprimeable number, because it can be changed into a prime (13813123) 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, 870 + ... + 5327.

It is an arithmetic number, because the mean of its divisors is an integer number (2305656).

Almost surely, 213813113 is an apocalyptic number.

It is an amenable number.

13813113 is a deficient number, since it is larger than the sum of its proper divisors (4632135).

13813113 is an equidigital number, since it uses as much as digits as its factorization.

13813113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6943.

The product of its digits is 216, while the sum is 21.

The square root of 13813113 is about 3716.5996555992. The cubic root of 13813113 is about 239.9369799812.

Adding to 13813113 its reverse (31131831), we get a palindrome (44944944).

The spelling of 13813113 in words is "thirteen million, eight hundred thirteen thousand, one hundred thirteen".

Divisors: 1 3 743 2229 6197 18591 4604371 13813113