Base | Representation |
---|---|
bin | 100111110101… |
… | …1000101110100 |
3 | 1110022010000222 |
4 | 1033223011310 |
5 | 20321322001 |
6 | 2023353512 |
7 | 342345524 |
oct | 117530564 |
9 | 43263028 |
10 | 20885876 |
11 | 10875960 |
12 | 6bb2898 |
13 | 443370b |
14 | 2ab9684 |
15 | 1c7861b |
hex | 13eb174 |
20885876 has 24 divisors (see below), whose sum is σ = 40049856. Its totient is φ = 9451520.
The previous prime is 20885873. The next prime is 20885927. The reversal of 20885876 is 67858802.
It is a Harshad number since it is a multiple of its sum of digits (44).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20885873) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10385 + ... + 12231.
It is an arithmetic number, because the mean of its divisors is an integer number (1668744).
Almost surely, 220885876 is an apocalyptic number.
It is an amenable number.
20885876 is a deficient number, since it is larger than the sum of its proper divisors (19163980).
20885876 is a wasteful number, since it uses less digits than its factorization.
20885876 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2119 (or 2117 counting only the distinct ones).
The product of its (nonzero) digits is 215040, while the sum is 44.
The square root of 20885876 is about 4570.1067821223. The cubic root of 20885876 is about 275.3917326279.
The spelling of 20885876 in words is "twenty million, eight hundred eighty-five thousand, eight hundred seventy-six".
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