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13802653 = 61353641
BaseRepresentation
bin110100101001…
…110010011101
3221222020200101
4310221302131
512013141103
61211501101
7225214654
oct64516235
927866611
1013802653
117878157
124757791
132b23667
141b9419b
151329a1d
hexd29c9d

13802653 has 8 divisors (see below), whose sum is σ = 14090616. Its totient is φ = 13516800.

The previous prime is 13802647. The next prime is 13802669. The reversal of 13802653 is 35620831.

It can be written as a sum of positive squares in 4 ways, for example, as 1036324 + 12766329 = 1018^2 + 3573^2 .

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 13802653 - 29 = 13802141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13802693) 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, 21213 + ... + 21853.

It is an arithmetic number, because the mean of its divisors is an integer number (1761327).

Almost surely, 213802653 is an apocalyptic number.

It is an amenable number.

13802653 is a deficient number, since it is larger than the sum of its proper divisors (287963).

13802653 is an equidigital number, since it uses as much as digits as its factorization.

13802653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1055.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 13802653 is about 3715.1921888376. The cubic root of 13802653 is about 239.8764004778.

The spelling of 13802653 in words is "thirteen million, eight hundred two thousand, six hundred fifty-three".

Divisors: 1 61 353 641 21533 39101 226273 13802653