Base | Representation |
---|---|
bin | 100110010100… |
… | …1101101101000 |
3 | 1101210212111211 |
4 | 1030221231220 |
5 | 20121000200 |
6 | 1554402504 |
7 | 332536336 |
oct | 114515550 |
9 | 41725454 |
10 | 20093800 |
11 | 10384851 |
12 | 6890434 |
13 | 421702c |
14 | 2950b56 |
15 | 1b6daba |
hex | 1329b68 |
20093800 has 24 divisors (see below), whose sum is σ = 46718550. Its totient is φ = 8037440.
The previous prime is 20093791. The next prime is 20093867. The reversal of 20093800 is 839002.
It can be written as a sum of positive squares in 3 ways, for example, as 18335524 + 1758276 = 4282^2 + 1326^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 50035 + ... + 50434.
Almost surely, 220093800 is an apocalyptic number.
20093800 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20093800 is an abundant number, since it is smaller than the sum of its proper divisors (26624750).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20093800 is a wasteful number, since it uses less digits than its factorization.
20093800 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 100485 (or 100476 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 22.
The square root of 20093800 is about 4482.6108463707. The cubic root of 20093800 is about 271.8654539300.
The spelling of 20093800 in words is "twenty million, ninety-three thousand, eight hundred".
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