Base | Representation |
---|---|
bin | 110001101010… |
… | …111101101000 |
3 | 220111112111110 |
4 | 301222331220 |
5 | 11313133112 |
6 | 1143030320 |
7 | 215451123 |
oct | 61527550 |
9 | 26445443 |
10 | 13021032 |
11 | 7393992 |
12 | 443b3a0 |
13 | 290b96b |
14 | 1a2d3ba |
15 | 122313c |
hex | c6af68 |
13021032 has 32 divisors (see below), whose sum is σ = 32777280. Its totient is φ = 4310400.
The previous prime is 13021027. The next prime is 13021033. The reversal of 13021032 is 23012031.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (12).
It is a junction number, because it is equal to n+sod(n) for n = 13020999 and 13021017.
It is not an unprimeable number, because it can be changed into a prime (13021033) 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 7 ways as a sum of consecutive naturals, for example, 1828 + ... + 5420.
It is an arithmetic number, because the mean of its divisors is an integer number (1024290).
Almost surely, 213021032 is an apocalyptic number.
13021032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
13021032 is an abundant number, since it is smaller than the sum of its proper divisors (19756248).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13021032 is a wasteful number, since it uses less digits than its factorization.
13021032 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3753 (or 3749 counting only the distinct ones).
The product of its (nonzero) digits is 36, while the sum is 12.
The square root of 13021032 is about 3608.4667103910. The cubic root of 13021032 is about 235.2602037101.
Adding to 13021032 its reverse (23012031), we get a palindrome (36033063).
Subtracting 13021032 from its reverse (23012031), we obtain a palindrome (9990999).
The spelling of 13021032 in words is "thirteen million, twenty-one thousand, thirty-two".
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