Base | Representation |
---|---|
bin | 100111111111… |
… | …1110011011010 |
3 | 1110110102102010 |
4 | 1033333303122 |
5 | 20332030324 |
6 | 2025250350 |
7 | 343151052 |
oct | 117776332 |
9 | 43412363 |
10 | 20970714 |
11 | 10923676 |
12 | 70339b6 |
13 | 446320b |
14 | 2adc562 |
15 | 1c93829 |
hex | 13ffcda |
20970714 has 32 divisors (see below), whose sum is σ = 42845760. Its totient is φ = 6841472.
The previous prime is 20970709. The next prime is 20970739. The reversal of 20970714 is 41707902.
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92269 + ... + 92495.
It is an arithmetic number, because the mean of its divisors is an integer number (1338930).
Almost surely, 220970714 is an apocalyptic number.
20970714 is an abundant number, since it is smaller than the sum of its proper divisors (21875046).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20970714 is a wasteful number, since it uses less digits than its factorization.
20970714 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 494.
The product of its (nonzero) digits is 3528, while the sum is 30.
The square root of 20970714 is about 4579.3792155706. The cubic root of 20970714 is about 275.7641074127.
The spelling of 20970714 in words is "twenty million, nine hundred seventy thousand, seven hundred fourteen".
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