Base | Representation |
---|---|
bin | 100111110100… |
… | …0001100011010 |
3 | 1110021111202111 |
4 | 1033220030122 |
5 | 20320432020 |
6 | 2023222534 |
7 | 342266113 |
oct | 117501432 |
9 | 43244674 |
10 | 20874010 |
11 | 10867a53 |
12 | 6ba7a4a |
13 | 442b1b1 |
14 | 2ab520a |
15 | 1c74d5a |
hex | 13e831a |
20874010 has 16 divisors (see below), whose sum is σ = 37665000. Its totient is φ = 8329216.
The previous prime is 20874001. The next prime is 20874013. The reversal of 20874010 is 1047802.
It can be written as a sum of positive squares in 4 ways, for example, as 20711601 + 162409 = 4551^2 + 403^2 .
It is not an unprimeable number, because it can be changed into a prime (20874013) 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, 2166 + ... + 6814.
Almost surely, 220874010 is an apocalyptic number.
20874010 is a deficient number, since it is larger than the sum of its proper divisors (16790990).
20874010 is a wasteful number, since it uses less digits than its factorization.
20874010 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5105.
The product of its (nonzero) digits is 448, while the sum is 22.
The square root of 20874010 is about 4568.8083785600. The cubic root of 20874010 is about 275.3395695083.
The spelling of 20874010 in words is "twenty million, eight hundred seventy-four thousand, ten".
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