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13495645 = 52699129
BaseRepresentation
bin110011011110…
…110101011101
3221101122112201
4303132311131
511423330040
61201131501
7222465622
oct63366535
927348481
1013495645
117688529
124629b91
132a469b7
141b14349
1512b8a9a
hexcded5d

13495645 has 4 divisors (see below), whose sum is σ = 16194780. Its totient is φ = 10796512.

The previous prime is 13495631. The next prime is 13495663. The reversal of 13495645 is 54659431.

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

It can be written as a sum of positive squares in 2 ways, for example, as 7991929 + 5503716 = 2827^2 + 2346^2 .

It is a cyclic number.

It is not a de Polignac number, because 13495645 - 29 = 13495133 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1349560 + ... + 1349569.

It is an arithmetic number, because the mean of its divisors is an integer number (4048695).

Almost surely, 213495645 is an apocalyptic number.

It is an amenable number.

13495645 is a deficient number, since it is larger than the sum of its proper divisors (2699135).

13495645 is an equidigital number, since it uses as much as digits as its factorization.

13495645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2699134.

The product of its digits is 64800, while the sum is 37.

The square root of 13495645 is about 3673.6419259367. The cubic root of 13495645 is about 238.0845508505.

The spelling of 13495645 in words is "thirteen million, four hundred ninety-five thousand, six hundred forty-five".

Divisors: 1 5 2699129 13495645