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13709793 = 34569931
BaseRepresentation
bin110100010011…
…000111100001
3221210112022010
4310103013201
512002203133
61205503133
7224350146
oct64230741
927715263
1013709793
117814409
124711aa9
132ac0306
141b6c3cd
15130c263
hexd131e1

13709793 has 4 divisors (see below), whose sum is σ = 18279728. Its totient is φ = 9139860.

The previous prime is 13709791. The next prime is 13709797. The reversal of 13709793 is 39790731.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 13709793 - 21 = 13709791 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13709791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2284963 + ... + 2284968.

It is an arithmetic number, because the mean of its divisors is an integer number (4569932).

Almost surely, 213709793 is an apocalyptic number.

It is an amenable number.

13709793 is a deficient number, since it is larger than the sum of its proper divisors (4569935).

13709793 is an equidigital number, since it uses as much as digits as its factorization.

13709793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4569934.

The product of its (nonzero) digits is 35721, while the sum is 39.

The square root of 13709793 is about 3702.6737636470. The cubic root of 13709793 is about 239.3372513969.

The spelling of 13709793 in words is "thirteen million, seven hundred nine thousand, seven hundred ninety-three".

Divisors: 1 3 4569931 13709793