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13969627 = 71995661
BaseRepresentation
bin110101010010…
…100011011011
3222021201201121
4311102203123
512034012002
61215230111
7226511530
oct65224333
928251647
1013969627
117981651
124818337
132b81669
141bd8d87
15135e237
hexd528db

13969627 has 4 divisors (see below), whose sum is σ = 15965296. Its totient is φ = 11973960.

The previous prime is 13969621. The next prime is 13969667. The reversal of 13969627 is 72696931.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13969627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13969621) 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, 997824 + ... + 997837.

It is an arithmetic number, because the mean of its divisors is an integer number (3991324).

Almost surely, 213969627 is an apocalyptic number.

13969627 is a deficient number, since it is larger than the sum of its proper divisors (1995669).

13969627 is an equidigital number, since it uses as much as digits as its factorization.

13969627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1995668.

The product of its digits is 122472, while the sum is 43.

The square root of 13969627 is about 3737.5964201610. The cubic root of 13969627 is about 240.8398067674.

The spelling of 13969627 in words is "thirteen million, nine hundred sixty-nine thousand, six hundred twenty-seven".

Divisors: 1 7 1995661 13969627