Base | Representation |
---|---|
bin | 110100001011… |
… | …100110110111 |
3 | 221201222002210 |
4 | 310023212313 |
5 | 12000212111 |
6 | 1205104503 |
7 | 224161362 |
oct | 64134667 |
9 | 27658083 |
10 | 13679031 |
11 | 77a3293 |
12 | 46b8133 |
13 | 2aac302 |
14 | 1b610d9 |
15 | 13030a6 |
hex | d0b9b7 |
13679031 has 16 divisors (see below), whose sum is σ = 19648640. Its totient is φ = 8436960.
The previous prime is 13679027. The next prime is 13679041. The reversal of 13679031 is 13097631.
It is not a de Polignac number, because 13679031 - 22 = 13679027 is a prime.
It is a super-2 number, since 2×136790312 = 374231778197922, which contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 13679031.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13679041) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 340 + ... + 5241.
It is an arithmetic number, because the mean of its divisors is an integer number (1228040).
Almost surely, 213679031 is an apocalyptic number.
13679031 is a deficient number, since it is larger than the sum of its proper divisors (5969609).
13679031 is a wasteful number, since it uses less digits than its factorization.
13679031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5646.
The product of its (nonzero) digits is 3402, while the sum is 30.
The square root of 13679031 is about 3698.5174056641. The cubic root of 13679031 is about 239.1581092307.
The spelling of 13679031 in words is "thirteen million, six hundred seventy-nine thousand, thirty-one".
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