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13956119 = 53263323
BaseRepresentation
bin110101001111…
…010000010111
3222021001012022
4311033100113
512033043434
61215043355
7226424252
oct65172027
928231168
1013956119
117972491
12481055b
132b78478
141bd4099
15135a22e
hexd4f417

13956119 has 4 divisors (see below), whose sum is σ = 14219496. Its totient is φ = 13692744.

The previous prime is 13956109. The next prime is 13956121. The reversal of 13956119 is 91165931.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 91165931 = 565316127.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13956119 is a prime.

It is a super-2 number, since 2×139561192 = 389546515084322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13956109) 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 3 ways as a sum of consecutive naturals, for example, 131609 + ... + 131714.

It is an arithmetic number, because the mean of its divisors is an integer number (3554874).

Almost surely, 213956119 is an apocalyptic number.

13956119 is a deficient number, since it is larger than the sum of its proper divisors (263377).

13956119 is an equidigital number, since it uses as much as digits as its factorization.

13956119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263376.

The product of its digits is 7290, while the sum is 35.

The square root of 13956119 is about 3735.7889394343. The cubic root of 13956119 is about 240.7621546521.

The spelling of 13956119 in words is "thirteen million, nine hundred fifty-six thousand, one hundred nineteen".

Divisors: 1 53 263323 13956119