Base | Representation |
---|---|
bin | 110010001110… |
… | …110100011001 |
3 | 220202222221220 |
4 | 302032310121 |
5 | 11332333042 |
6 | 1150122253 |
7 | 216632241 |
oct | 62166431 |
9 | 26688856 |
10 | 13167897 |
11 | 7484266 |
12 | 44b0389 |
13 | 2960772 |
14 | 1a6ab21 |
15 | 12518ec |
hex | c8ed19 |
13167897 has 4 divisors (see below), whose sum is σ = 17557200. Its totient is φ = 8778596.
The previous prime is 13167883. The next prime is 13167899. The reversal of 13167897 is 79876131.
13167897 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 13167897 - 211 = 13165849 is a prime.
It is a super-2 number, since 2×131678972 = 346787022805218, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (13167899) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2194647 + ... + 2194652.
It is an arithmetic number, because the mean of its divisors is an integer number (4389300).
Almost surely, 213167897 is an apocalyptic number.
It is an amenable number.
13167897 is a deficient number, since it is larger than the sum of its proper divisors (4389303).
13167897 is an equidigital number, since it uses as much as digits as its factorization.
13167897 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4389302.
The product of its digits is 63504, while the sum is 42.
The square root of 13167897 is about 3628.7597054641. The cubic root of 13167897 is about 236.1414035762.
It can be divided in two parts, 13 and 167897, that added together give a triangular number (167910 = T579).
The spelling of 13167897 in words is "thirteen million, one hundred sixty-seven thousand, eight hundred ninety-seven".
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