Base | Representation |
---|---|
bin | 110001100101… |
… | …111011111010 |
3 | 220110111020212 |
4 | 301211323322 |
5 | 11312003232 |
6 | 1142351122 |
7 | 215334110 |
oct | 61457372 |
9 | 26414225 |
10 | 13000442 |
11 | 737a474 |
12 | 442b4a2 |
13 | 2902490 |
14 | 1a25ab0 |
15 | 121beb2 |
hex | c65efa |
13000442 has 32 divisors (see below), whose sum is σ = 24415104. Its totient is φ = 5054400.
The previous prime is 13000411. The next prime is 13000457. The reversal of 13000442 is 24400031.
It is a super-2 number, since 2×130004422 = 338022984390728, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (14).
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, 10517 + ... + 11687.
It is an arithmetic number, because the mean of its divisors is an integer number (762972).
Almost surely, 213000442 is an apocalyptic number.
13000442 is a deficient number, since it is larger than the sum of its proper divisors (11414662).
13000442 is a wasteful number, since it uses less digits than its factorization.
13000442 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1254.
The product of its (nonzero) digits is 96, while the sum is 14.
The square root of 13000442 is about 3605.6125693147. The cubic root of 13000442 is about 235.1361335879.
Adding to 13000442 its reverse (24400031), we get a palindrome (37400473).
The spelling of 13000442 in words is "thirteen million, four hundred forty-two", and thus it is an aban number.
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