Base | Representation |
---|---|
bin | 100111111110… |
… | …1110110010100 |
3 | 1110110000102121 |
4 | 1033331312110 |
5 | 20331301313 |
6 | 2025145324 |
7 | 343115524 |
oct | 117756624 |
9 | 43400377 |
10 | 20962708 |
11 | 10918658 |
12 | 702b244 |
13 | 445c690 |
14 | 2ad9684 |
15 | 1c9128d |
hex | 13fdd94 |
20962708 has 24 divisors (see below), whose sum is σ = 40871880. Its totient is φ = 9340800.
The previous prime is 20962703. The next prime is 20962709. The reversal of 20962708 is 80726902.
It can be written as a sum of positive squares in 4 ways, for example, as 2883204 + 18079504 = 1698^2 + 4252^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20962703) 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, 5443 + ... + 8458.
It is an arithmetic number, because the mean of its divisors is an integer number (1702995).
Almost surely, 220962708 is an apocalyptic number.
It is an amenable number.
20962708 is a deficient number, since it is larger than the sum of its proper divisors (19909172).
20962708 is a wasteful number, since it uses less digits than its factorization.
20962708 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13947 (or 13945 counting only the distinct ones).
The product of its (nonzero) digits is 12096, while the sum is 34.
The square root of 20962708 is about 4578.5049961751. The cubic root of 20962708 is about 275.7290100787.
The spelling of 20962708 in words is "twenty million, nine hundred sixty-two thousand, seven hundred eight".
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