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13727557 = 191275689
BaseRepresentation
bin110100010111…
…011101000101
3221211102200001
4310113131011
512003240212
61210121301
7224453014
oct64273505
927742601
1013727557
117826798
124720231
132ac841c
141b74a7b
151312657
hexd17745

13727557 has 8 divisors (see below), whose sum is σ = 14566400. Its totient is φ = 12900384.

The previous prime is 13727543. The next prime is 13727587. The reversal of 13727557 is 75572731.

13727557 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 13727557 - 215 = 13694789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13727587) 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, 432 + ... + 5257.

It is an arithmetic number, because the mean of its divisors is an integer number (1820800).

Almost surely, 213727557 is an apocalyptic number.

It is an amenable number.

13727557 is a deficient number, since it is larger than the sum of its proper divisors (838843).

13727557 is a wasteful number, since it uses less digits than its factorization.

13727557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5835.

The product of its digits is 51450, while the sum is 37.

The square root of 13727557 is about 3705.0717941762. The cubic root of 13727557 is about 239.4405778287.

The spelling of 13727557 in words is "thirteen million, seven hundred twenty-seven thousand, five hundred fifty-seven".

Divisors: 1 19 127 2413 5689 108091 722503 13727557