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13844975 = 523171747
BaseRepresentation
bin110100110100…
…000111101111
3222001101201212
4310310013233
512021014400
61212425035
7225452234
oct64640757
928041655
1013844975
1178a6a31
12477817b
132b399c1
141ba578b
151337335
hexd341ef

13844975 has 12 divisors (see below), whose sum is σ = 17231784. Its totient is φ = 11034720.

The previous prime is 13844969. The next prime is 13845001. The reversal of 13844975 is 57944831.

It is not a de Polignac number, because 13844975 - 26 = 13844911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7052 + ... + 8798.

It is an arithmetic number, because the mean of its divisors is an integer number (1435982).

Almost surely, 213844975 is an apocalyptic number.

13844975 is a deficient number, since it is larger than the sum of its proper divisors (3386809).

13844975 is a wasteful number, since it uses less digits than its factorization.

13844975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2074 (or 2069 counting only the distinct ones).

The product of its digits is 120960, while the sum is 41.

The square root of 13844975 is about 3720.8836316123. The cubic root of 13844975 is about 240.1213217625.

The spelling of 13844975 in words is "thirteen million, eight hundred forty-four thousand, nine hundred seventy-five".

Divisors: 1 5 25 317 1585 1747 7925 8735 43675 553799 2768995 13844975