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13489711 = 106912619
BaseRepresentation
bin110011011101…
…011000101111
3221101100101221
4303131120233
511423132321
61201044211
7222442414
oct63353057
927340357
1013489711
117684024
124626667
132a440a1
141b1210b
1512b6e41
hexcdd62f

13489711 has 4 divisors (see below), whose sum is σ = 13503400. Its totient is φ = 13476024.

The previous prime is 13489699. The next prime is 13489733. The reversal of 13489711 is 11798431.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13489711 - 215 = 13456943 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 (13489781) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5241 + ... + 7378.

It is an arithmetic number, because the mean of its divisors is an integer number (3375850).

Almost surely, 213489711 is an apocalyptic number.

13489711 is a deficient number, since it is larger than the sum of its proper divisors (13689).

13489711 is a wasteful number, since it uses less digits than its factorization.

13489711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13688.

The product of its digits is 6048, while the sum is 34.

The square root of 13489711 is about 3672.8341917380. The cubic root of 13489711 is about 238.0496506822.

The spelling of 13489711 in words is "thirteen million, four hundred eighty-nine thousand, seven hundred eleven".

Divisors: 1 1069 12619 13489711