Base | Representation |
---|---|
bin | 101000000010… |
… | …1100000110110 |
3 | 1110111121111100 |
4 | 1100011200312 |
5 | 20333302402 |
6 | 2025550530 |
7 | 343306203 |
oct | 120054066 |
9 | 43447440 |
10 | 20994102 |
11 | 1093a1a8 |
12 | 7045446 |
13 | 4470a5c |
14 | 2b06caa |
15 | 1c9a71c |
hex | 1405836 |
20994102 has 24 divisors (see below), whose sum is σ = 45723600. Its totient is φ = 6961680.
The previous prime is 20994097. The next prime is 20994109. The reversal of 20994102 is 20149902.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20994109) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 652 + ... + 6512.
It is an arithmetic number, because the mean of its divisors is an integer number (1905150).
Almost surely, 220994102 is an apocalyptic number.
20994102 is an abundant number, since it is smaller than the sum of its proper divisors (24729498).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20994102 is a wasteful number, since it uses less digits than its factorization.
20994102 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6068 (or 6065 counting only the distinct ones).
The product of its (nonzero) digits is 1296, while the sum is 27.
The square root of 20994102 is about 4581.9321252066. The cubic root of 20994102 is about 275.8665864343.
The spelling of 20994102 in words is "twenty million, nine hundred ninety-four thousand, one hundred two".
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