Base | Representation |
---|---|
bin | 100110101111… |
… | …1100110010110 |
3 | 1102020002021120 |
4 | 1031133212112 |
5 | 20200031033 |
6 | 2003224410 |
7 | 334446000 |
oct | 115374626 |
9 | 42202246 |
10 | 20314518 |
11 | 10515664 |
12 | 6978106 |
13 | 4293633 |
14 | 29ab370 |
15 | 1bb41b3 |
hex | 135f996 |
20314518 has 32 divisors (see below), whose sum is σ = 47385600. Its totient is φ = 5803560.
The previous prime is 20314501. The next prime is 20314519. The reversal of 20314518 is 81541302.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20314519) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2878 + ... + 6993.
It is an arithmetic number, because the mean of its divisors is an integer number (1480800).
Almost surely, 220314518 is an apocalyptic number.
20314518 is an abundant number, since it is smaller than the sum of its proper divisors (27071082).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20314518 is an equidigital number, since it uses as much as digits as its factorization.
20314518 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9897 (or 9883 counting only the distinct ones).
The product of its (nonzero) digits is 960, while the sum is 24.
The square root of 20314518 is about 4507.1629657690. The cubic root of 20314518 is about 272.8572560798.
The spelling of 20314518 in words is "twenty million, three hundred fourteen thousand, five hundred eighteen".
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