Base | Representation |
---|---|
bin | 110001100110… |
… | …010111110011 |
3 | 220110120200222 |
4 | 301212113303 |
5 | 11312032402 |
6 | 1142403255 |
7 | 215342240 |
oct | 61462763 |
9 | 26416628 |
10 | 13002227 |
11 | 7380847 |
12 | 443052b |
13 | 2903234 |
14 | 1a265c7 |
15 | 121c7a2 |
hex | c665f3 |
13002227 has 4 divisors (see below), whose sum is σ = 14859696. Its totient is φ = 11144760.
The previous prime is 13002203. The next prime is 13002233. The reversal of 13002227 is 72220031.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72220031 = 13 ⋅5555387.
It is a cyclic number.
It is not a de Polignac number, because 13002227 - 26 = 13002163 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (13002257) 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, 928724 + ... + 928737.
It is an arithmetic number, because the mean of its divisors is an integer number (3714924).
Almost surely, 213002227 is an apocalyptic number.
13002227 is a deficient number, since it is larger than the sum of its proper divisors (1857469).
13002227 is an equidigital number, since it uses as much as digits as its factorization.
13002227 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1857468.
The product of its (nonzero) digits is 168, while the sum is 17.
The square root of 13002227 is about 3605.8600915732. The cubic root of 13002227 is about 235.1468947294.
Adding to 13002227 its reverse (72220031), we get a palindrome (85222258).
The spelling of 13002227 in words is "thirteen million, two thousand, two hundred twenty-seven".
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