Base | Representation |
---|---|
bin | 100111110010… |
… | …1011010101000 |
3 | 1110020221011002 |
4 | 1033211122220 |
5 | 20320101012 |
6 | 2023054132 |
7 | 342221000 |
oct | 117453250 |
9 | 43227132 |
10 | 20862632 |
11 | 1085a44a |
12 | 6ba1348 |
13 | 4425c6b |
14 | 2ab1000 |
15 | 1c717c2 |
hex | 13e56a8 |
20862632 has 32 divisors (see below), whose sum is σ = 45624000. Its totient is φ = 8939952.
The previous prime is 20862619. The next prime is 20862637. The reversal of 20862632 is 23626802.
It is a junction number, because it is equal to n+sod(n) for n = 20862595 and 20862604.
It is not an unprimeable number, because it can be changed into a prime (20862637) 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, 1058 + ... + 6545.
It is an arithmetic number, because the mean of its divisors is an integer number (1425750).
Almost surely, 220862632 is an apocalyptic number.
It is an amenable number.
20862632 is an abundant number, since it is smaller than the sum of its proper divisors (24761368).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20862632 is an equidigital number, since it uses as much as digits as its factorization.
20862632 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7630 (or 7612 counting only the distinct ones).
The product of its (nonzero) digits is 6912, while the sum is 29.
The square root of 20862632 is about 4567.5630263851. The cubic root of 20862632 is about 275.2895330754.
The spelling of 20862632 in words is "twenty million, eight hundred sixty-two thousand, six hundred thirty-two".
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