Base | Representation |
---|---|
bin | 100110010011… |
… | …1110011111000 |
3 | 1101210110211020 |
4 | 1030213303320 |
5 | 20120223013 |
6 | 1554302440 |
7 | 332504535 |
oct | 114476370 |
9 | 41713736 |
10 | 20086008 |
11 | 10379a08 |
12 | 6887a20 |
13 | 4213617 |
14 | 294bd8c |
15 | 1b6b623 |
hex | 1327cf8 |
20086008 has 16 divisors (see below), whose sum is σ = 50215080. Its totient is φ = 6695328.
The previous prime is 20086007. The next prime is 20086043. The reversal of 20086008 is 80068002.
It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 836917 = 20086008 / (2 + 0 + 0 + 8 + 6 + 0 + 0 + 8).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20086007) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 418435 + ... + 418482.
Almost surely, 220086008 is an apocalyptic number.
It is an amenable number.
20086008 is an abundant number, since it is smaller than the sum of its proper divisors (30129072).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20086008 is a wasteful number, since it uses less digits than its factorization.
20086008 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 836926 (or 836922 counting only the distinct ones).
The product of its (nonzero) digits is 768, while the sum is 24.
The square root of 20086008 is about 4481.7416257522. The cubic root of 20086008 is about 271.8303079398.
The spelling of 20086008 in words is "twenty million, eighty-six thousand, eight".
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