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13923883 = 28349201
BaseRepresentation
bin110101000111…
…011000101011
3222012101222101
4311013120223
512031031013
61214234231
7226231261
oct65073053
928171871
1013923883
117950246
1247b5977
132b668ac
141bc6431
1513508dd
hexd4762b

13923883 has 4 divisors (see below), whose sum is σ = 13973368. Its totient is φ = 13874400.

The previous prime is 13923863. The next prime is 13923893. The reversal of 13923883 is 38832931.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 38832931 = 104937019.

It is a cyclic number.

It is not a de Polignac number, because 13923883 - 217 = 13792811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13923853) 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, 24318 + ... + 24883.

It is an arithmetic number, because the mean of its divisors is an integer number (3493342).

Almost surely, 213923883 is an apocalyptic number.

13923883 is a deficient number, since it is larger than the sum of its proper divisors (49485).

13923883 is an equidigital number, since it uses as much as digits as its factorization.

13923883 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49484.

The product of its digits is 31104, while the sum is 37.

The square root of 13923883 is about 3731.4719615723. The cubic root of 13923883 is about 240.5766400369.

The spelling of 13923883 in words is "thirteen million, nine hundred twenty-three thousand, eight hundred eighty-three".

Divisors: 1 283 49201 13923883