Base | Representation |
---|---|
bin | 110011001000… |
… | …110010111011 |
3 | 221020001201020 |
4 | 303020302323 |
5 | 11412432441 |
6 | 1155153523 |
7 | 221641500 |
oct | 63106273 |
9 | 27201636 |
10 | 13405371 |
11 | 7626721 |
12 | 45a58a3 |
13 | 2a14895 |
14 | 1acd4a7 |
15 | 129be66 |
hex | cc8cbb |
13405371 has 12 divisors (see below), whose sum is σ = 20792232. Its totient is φ = 7660128.
The previous prime is 13405363. The next prime is 13405397. The reversal of 13405371 is 17350431.
It is not a de Polignac number, because 13405371 - 23 = 13405363 is a prime.
It is not an unprimeable number, because it can be changed into a prime (13405351) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45450 + ... + 45743.
It is an arithmetic number, because the mean of its divisors is an integer number (1732686).
Almost surely, 213405371 is an apocalyptic number.
13405371 is a deficient number, since it is larger than the sum of its proper divisors (7386861).
13405371 is an equidigital number, since it uses as much as digits as its factorization.
13405371 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 91210 (or 91203 counting only the distinct ones).
The product of its (nonzero) digits is 1260, while the sum is 24.
The square root of 13405371 is about 3661.3345927407. The cubic root of 13405371 is about 237.5525039969.
The spelling of 13405371 in words is "thirteen million, four hundred five thousand, three hundred seventy-one".
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