Base | Representation |
---|---|
bin | 110100111011… |
… | …101011001001 |
3 | 222002222011201 |
4 | 310323223021 |
5 | 12023012123 |
6 | 1213224201 |
7 | 225641362 |
oct | 64735311 |
9 | 28088151 |
10 | 13875913 |
11 | 79181a7 |
12 | 4792061 |
13 | 2b4aacc |
14 | 1bb2b69 |
15 | 13415ad |
hex | d3bac9 |
13875913 has 8 divisors (see below), whose sum is σ = 14183136. Its totient is φ = 13572000.
The previous prime is 13875907. The next prime is 13875919. The reversal of 13875913 is 31957831.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (13875907) and next prime (13875919).
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 13875913 - 25 = 13875881 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (13875919) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8838 + ... + 10288.
It is an arithmetic number, because the mean of its divisors is an integer number (1772892).
Almost surely, 213875913 is an apocalyptic number.
It is an amenable number.
13875913 is a deficient number, since it is larger than the sum of its proper divisors (307223).
13875913 is a wasteful number, since it uses less digits than its factorization.
13875913 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1655.
The product of its digits is 22680, while the sum is 37.
The square root of 13875913 is about 3725.0386575175. The cubic root of 13875913 is about 240.3000471794.
The spelling of 13875913 in words is "thirteen million, eight hundred seventy-five thousand, nine hundred thirteen".
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