Base | Representation |
---|---|
bin | 100110011001… |
… | …1001111100110 |
3 | 1101212212001200 |
4 | 1030303033212 |
5 | 20123222323 |
6 | 1555303330 |
7 | 333061215 |
oct | 114631746 |
9 | 41785050 |
10 | 20132838 |
11 | 10401110 |
12 | 68aab46 |
13 | 422ba2b |
14 | 296107c |
15 | 1b7a443 |
hex | 13333e6 |
20132838 has 24 divisors (see below), whose sum is σ = 47587176. Its totient is φ = 6100800.
The previous prime is 20132821. The next prime is 20132851. The reversal of 20132838 is 83823102.
It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50643 + ... + 51038.
It is an arithmetic number, because the mean of its divisors is an integer number (1982799).
Almost surely, 220132838 is an apocalyptic number.
20132838 is an abundant number, since it is smaller than the sum of its proper divisors (27454338).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20132838 is a wasteful number, since it uses less digits than its factorization.
20132838 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 101700 (or 101697 counting only the distinct ones).
The product of its (nonzero) digits is 2304, while the sum is 27.
The square root of 20132838 is about 4486.9631155159. The cubic root of 20132838 is about 272.0413990476.
It can be divided in two parts, 2013 and 2838, that added together give a triangular number (4851 = T98).
The spelling of 20132838 in words is "twenty million, one hundred thirty-two thousand, eight hundred thirty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •