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13265253 = 3217277313
BaseRepresentation
bin110010100110…
…100101100101
3220221221111200
4302212211211
511343442003
61152153113
7220516131
oct62464545
926857450
1013265253
117540421
124538799
132995b81
141a943c1
1512706a3
hexca6965

13265253 has 24 divisors (see below), whose sum is σ = 20426328. Its totient is φ = 8266752.

The previous prime is 13265251. The next prime is 13265257. The reversal of 13265253 is 35256231.

13265253 is a `hidden beast` number, since 1 + 3 + 2 + 652 + 5 + 3 = 666.

13265253 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1089 + 13264164 = 33^2 + 3642^2 .

It is not a de Polignac number, because 13265253 - 21 = 13265251 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13265251) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42225 + ... + 42537.

It is an arithmetic number, because the mean of its divisors is an integer number (851097).

Almost surely, 213265253 is an apocalyptic number.

It is an amenable number.

13265253 is a deficient number, since it is larger than the sum of its proper divisors (7161075).

13265253 is a wasteful number, since it uses less digits than its factorization.

13265253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 613 (or 610 counting only the distinct ones).

The product of its digits is 5400, while the sum is 27.

The square root of 13265253 is about 3642.1495026975. The cubic root of 13265253 is about 236.7219406262.

The spelling of 13265253 in words is "thirteen million, two hundred sixty-five thousand, two hundred fifty-three".

Divisors: 1 3 9 17 51 153 277 313 831 939 2493 2817 4709 5321 14127 15963 42381 47889 86701 260103 780309 1473917 4421751 13265253