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13495023 = 321499447
BaseRepresentation
bin110011011110…
…101011101111
3221101121200200
4303132223233
511423320043
61201124543
7222464043
oct63365357
927347620
1013495023
117688013
124629753
132a46629
141b14023
1512b87d3
hexcdeaef

13495023 has 6 divisors (see below), whose sum is σ = 19492824. Its totient is φ = 8996676.

The previous prime is 13494983. The next prime is 13495033. The reversal of 13495023 is 32059431.

13495023 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13495023 - 29 = 13494511 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13495033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 749715 + ... + 749732.

It is an arithmetic number, because the mean of its divisors is an integer number (3248804).

Almost surely, 213495023 is an apocalyptic number.

13495023 is a deficient number, since it is larger than the sum of its proper divisors (5997801).

13495023 is a wasteful number, since it uses less digits than its factorization.

13495023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1499453 (or 1499450 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 13495023 is about 3673.5572678264. The cubic root of 13495023 is about 238.0808931059.

The spelling of 13495023 in words is "thirteen million, four hundred ninety-five thousand, twenty-three".

Divisors: 1 3 9 1499447 4498341 13495023