Base | Representation |
---|---|
bin | 110010000100… |
… | …001010000101 |
3 | 220200210001120 |
4 | 302010022011 |
5 | 11324433404 |
6 | 1145144153 |
7 | 216361026 |
oct | 62041205 |
9 | 26623046 |
10 | 13124229 |
11 | 7454478 |
12 | 448b059 |
13 | 2946921 |
14 | 1a58c4d |
15 | 12439d9 |
hex | c84285 |
13124229 has 4 divisors (see below), whose sum is σ = 17498976. Its totient is φ = 8749484.
The previous prime is 13124227. The next prime is 13124263. The reversal of 13124229 is 92242131.
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 13124229 - 21 = 13124227 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 13124199 and 13124208.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13124227) 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, 2187369 + ... + 2187374.
It is an arithmetic number, because the mean of its divisors is an integer number (4374744).
Almost surely, 213124229 is an apocalyptic number.
It is an amenable number.
13124229 is a deficient number, since it is larger than the sum of its proper divisors (4374747).
13124229 is an equidigital number, since it uses as much as digits as its factorization.
13124229 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4374746.
The product of its digits is 864, while the sum is 24.
The square root of 13124229 is about 3622.7377768754. The cubic root of 13124229 is about 235.8800800783.
The spelling of 13124229 in words is "thirteen million, one hundred twenty-four thousand, two hundred twenty-nine".
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