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13793069 = 171942703
BaseRepresentation
bin110100100111…
…011100101101
3221221202112102
4310213130231
512012334234
61211344445
7225145013
oct64473455
927852472
1013793069
117870a34
124752125
132b1c1a4
141b908b3
151326c7e
hexd2772d

13793069 has 8 divisors (see below), whose sum is σ = 15373440. Its totient is φ = 12298176.

The previous prime is 13793063. The next prime is 13793071. The reversal of 13793069 is 96039731.

13793069 is nontrivially palindromic in base 16.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13793069 - 24 = 13793053 is a prime.

It is a super-2 number, since 2×137930692 = 380497504877522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13793063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21029 + ... + 21674.

It is an arithmetic number, because the mean of its divisors is an integer number (1921680).

Almost surely, 213793069 is an apocalyptic number.

13793069 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

13793069 is a deficient number, since it is larger than the sum of its proper divisors (1580371).

13793069 is a wasteful number, since it uses less digits than its factorization.

13793069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42739.

The product of its (nonzero) digits is 30618, while the sum is 38.

The square root of 13793069 is about 3713.9021257971. The cubic root of 13793069 is about 239.8208674888.

The spelling of 13793069 in words is "thirteen million, seven hundred ninety-three thousand, sixty-nine".

Divisors: 1 17 19 323 42703 725951 811357 13793069