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13800195 = 3251312341
BaseRepresentation
bin110100101001…
…001100000011
3221222010022100
4310221030003
512013101240
61211441443
7225204543
oct64511403
927863270
1013800195
117876322
124756283
132b224c6
141b93323
151328e30
hexd29303

13800195 has 24 divisors (see below), whose sum is σ = 24113232. Its totient is φ = 7300800.

The previous prime is 13800181. The next prime is 13800197. The reversal of 13800195 is 59100831.

It is not a de Polignac number, because 13800195 - 24 = 13800179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13800197) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4725 + ... + 7065.

It is an arithmetic number, because the mean of its divisors is an integer number (1004718).

Almost surely, 213800195 is an apocalyptic number.

13800195 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13800195 is a deficient number, since it is larger than the sum of its proper divisors (10313037).

13800195 is a wasteful number, since it uses less digits than its factorization.

13800195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2483 (or 2480 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The square root of 13800195 is about 3714.8613702264. The cubic root of 13800195 is about 239.8621604329.

The spelling of 13800195 in words is "thirteen million, eight hundred thousand, one hundred ninety-five".

Divisors: 1 3 5 9 15 45 131 393 655 1179 1965 2341 5895 7023 11705 21069 35115 105345 306671 920013 1533355 2760039 4600065 13800195