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13738393 = 14879239
BaseRepresentation
bin110100011010…
…000110011001
3221211222112101
4310122012121
512004112033
61210243401
7224526424
oct64320631
927758471
1013738393
117833949
124726561
132b00336
141b789bb
15131597d
hexd1a199

13738393 has 4 divisors (see below), whose sum is σ = 13749120. Its totient is φ = 13727668.

The previous prime is 13738391. The next prime is 13738399. The reversal of 13738393 is 39383731.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 13738393 - 21 = 13738391 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13738391) 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, 3133 + ... + 6106.

It is an arithmetic number, because the mean of its divisors is an integer number (3437280).

Almost surely, 213738393 is an apocalyptic number.

It is an amenable number.

13738393 is a deficient number, since it is larger than the sum of its proper divisors (10727).

13738393 is an equidigital number, since it uses as much as digits as its factorization.

13738393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10726.

The product of its digits is 40824, while the sum is 37.

The square root of 13738393 is about 3706.5338255572. The cubic root of 13738393 is about 239.5035629545.

The spelling of 13738393 in words is "thirteen million, seven hundred thirty-eight thousand, three hundred ninety-three".

Divisors: 1 1487 9239 13738393