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13989875 = 53111919
BaseRepresentation
bin110101010111…
…011111110011
3222022202111112
4311113133303
512040134000
61215503535
7226624544
oct65273763
928282445
1013989875
117995889
124827bab
132b8a943
141c024cb
151365235
hexd577f3

13989875 has 8 divisors (see below), whose sum is σ = 17459520. Its totient is φ = 11191800.

The previous prime is 13989869. The next prime is 13989907. The reversal of 13989875 is 57898931.

It is not a de Polignac number, because 13989875 - 222 = 9795571 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55835 + ... + 56084.

It is an arithmetic number, because the mean of its divisors is an integer number (2182440).

Almost surely, 213989875 is an apocalyptic number.

13989875 is a deficient number, since it is larger than the sum of its proper divisors (3469645).

13989875 is an equidigital number, since it uses as much as digits as its factorization.

13989875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111934 (or 111924 counting only the distinct ones).

The product of its digits is 544320, while the sum is 50.

The square root of 13989875 is about 3740.3041320192. The cubic root of 13989875 is about 240.9561107614.

The spelling of 13989875 in words is "thirteen million, nine hundred eighty-nine thousand, eight hundred seventy-five".

Divisors: 1 5 25 125 111919 559595 2797975 13989875