Base | Representation |
---|---|
bin | 100110100101… |
… | …1101010110000 |
3 | 1102001221021221 |
4 | 1031023222300 |
5 | 20134423010 |
6 | 2001354424 |
7 | 333655663 |
oct | 115135260 |
9 | 42057257 |
10 | 20232880 |
11 | 1046a298 |
12 | 6938a14 |
13 | 4265425 |
14 | 29896da |
15 | 1b99dda |
hex | 134bab0 |
20232880 has 20 divisors (see below), whose sum is σ = 47041632. Its totient is φ = 8093120.
The previous prime is 20232871. The next prime is 20232887. The reversal of 20232880 is 8823202.
It is a tau number, because it is divible by the number of its divisors (20).
It is not an unprimeable number, because it can be changed into a prime (20232887) 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, 126376 + ... + 126535.
Almost surely, 220232880 is an apocalyptic number.
20232880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20232880 is an abundant number, since it is smaller than the sum of its proper divisors (26808752).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20232880 is a wasteful number, since it uses less digits than its factorization.
20232880 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 252924 (or 252918 counting only the distinct ones).
The product of its (nonzero) digits is 1536, while the sum is 25.
The square root of 20232880 is about 4498.0973755578. The cubic root of 20232880 is about 272.4912546642.
It can be divided in two parts, 20232 and 880, that added together give a palindrome (21112).
The spelling of 20232880 in words is "twenty million, two hundred thirty-two thousand, eight hundred eighty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •