Base | Representation |
---|---|
bin | 110001100101… |
… | …111011111110 |
3 | 220110111021000 |
4 | 301211323332 |
5 | 11312003241 |
6 | 1142351130 |
7 | 215334114 |
oct | 61457376 |
9 | 26414230 |
10 | 13000446 |
11 | 737a478 |
12 | 442b4a6 |
13 | 2902494 |
14 | 1a25ab4 |
15 | 121beb6 |
hex | c65efe |
13000446 has 32 divisors (see below), whose sum is σ = 30412800. Its totient is φ = 4105080.
The previous prime is 13000411. The next prime is 13000457. The reversal of 13000446 is 64400031.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5310 + ... + 7361.
It is an arithmetic number, because the mean of its divisors is an integer number (950400).
Almost surely, 213000446 is an apocalyptic number.
13000446 is an abundant number, since it is smaller than the sum of its proper divisors (17412354).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13000446 is a wasteful number, since it uses less digits than its factorization.
13000446 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12701 (or 12695 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
The square root of 13000446 is about 3605.6131240054. The cubic root of 13000446 is about 235.1361577036.
Adding to 13000446 its reverse (64400031), we get a palindrome (77400477).
The spelling of 13000446 in words is "thirteen million, four hundred forty-six", and thus it is an aban number.
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