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13480756 = 226155249
BaseRepresentation
bin110011011011…
…001100110100
3221100220010021
4303123030310
511422341011
61200534524
7222404332
oct63331464
927326107
1013480756
117678323
124621444
132a3cca3
141b0cb52
1512b4471
hexcdb334

13480756 has 12 divisors (see below), whose sum is σ = 23978500. Its totient is φ = 6629760.

The previous prime is 13480729. The next prime is 13480757. The reversal of 13480756 is 65708431.

It can be written as a sum of positive squares in 2 ways, for example, as 4080400 + 9400356 = 2020^2 + 3066^2 .

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13480757) 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 3 ways as a sum of consecutive naturals, for example, 27381 + ... + 27868.

Almost surely, 213480756 is an apocalyptic number.

It is an amenable number.

13480756 is a deficient number, since it is larger than the sum of its proper divisors (10497744).

13480756 is a wasteful number, since it uses less digits than its factorization.

13480756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55314 (or 55312 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 13480756 is about 3671.6149035540. The cubic root of 13480756 is about 237.9969634525.

The spelling of 13480756 in words is "thirteen million, four hundred eighty thousand, seven hundred fifty-six".

Divisors: 1 2 4 61 122 244 55249 110498 220996 3370189 6740378 13480756