Base | Representation |
---|---|
bin | 100110010100… |
… | …1100011111100 |
3 | 1101210211122212 |
4 | 1030221203330 |
5 | 20120440210 |
6 | 1554355552 |
7 | 332534462 |
oct | 114514374 |
9 | 41724585 |
10 | 20093180 |
11 | 10384338 |
12 | 688bbb8 |
13 | 4216973 |
14 | 2950832 |
15 | 1b6d805 |
hex | 13298fc |
20093180 has 12 divisors (see below), whose sum is σ = 42195720. Its totient is φ = 8037264.
The previous prime is 20093179. The next prime is 20093197. The reversal of 20093180 is 8139002.
It is a congruent number.
It is an unprimeable number.
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 3 ways as a sum of consecutive naturals, for example, 502310 + ... + 502349.
It is an arithmetic number, because the mean of its divisors is an integer number (3516310).
Almost surely, 220093180 is an apocalyptic number.
20093180 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20093180 is an abundant number, since it is smaller than the sum of its proper divisors (22102540).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20093180 is a wasteful number, since it uses less digits than its factorization.
20093180 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1004668 (or 1004666 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 23.
The square root of 20093180 is about 4482.5416897113. The cubic root of 20093180 is about 271.8626577389.
The spelling of 20093180 in words is "twenty million, ninety-three thousand, one hundred eighty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •