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13738739 = 76173181
BaseRepresentation
bin110100011010…
…001011110011
3221212000000012
4310122023303
512004114424
61210245135
7224530430
oct64321363
927760005
1013738739
117834133
1247267ab
132b00541
141b78b87
151315b0e
hexd1a2f3

13738739 has 8 divisors (see below), whose sum is σ = 15731808. Its totient is φ = 11753280.

The previous prime is 13738717. The next prime is 13738849. The reversal of 13738739 is 93783731.

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

It is not a de Polignac number, because 13738739 - 216 = 13673203 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13738696 and 13738705.

It is not an unprimeable number, because it can be changed into a prime (13738139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2729 + ... + 5909.

It is an arithmetic number, because the mean of its divisors is an integer number (1966476).

Almost surely, 213738739 is an apocalyptic number.

13738739 is a deficient number, since it is larger than the sum of its proper divisors (1993069).

13738739 is an equidigital number, since it uses as much as digits as its factorization.

13738739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3805.

The product of its digits is 95256, while the sum is 41.

The square root of 13738739 is about 3706.5804995980. The cubic root of 13738739 is about 239.5055735617.

The spelling of 13738739 in words is "thirteen million, seven hundred thirty-eight thousand, seven hundred thirty-nine".

Divisors: 1 7 617 3181 4319 22267 1962677 13738739