Base | Representation |
---|---|
bin | 100111111110… |
… | …1100110001100 |
3 | 1110102222000101 |
4 | 1033331212030 |
5 | 20331233201 |
6 | 2025140444 |
7 | 343112521 |
oct | 117754614 |
9 | 43388011 |
10 | 20961676 |
11 | 109178aa |
12 | 702a724 |
13 | 445c078 |
14 | 2ad9148 |
15 | 1c90d01 |
hex | 13fd98c |
20961676 has 12 divisors (see below), whose sum is σ = 36766408. Its totient is φ = 10456992.
The previous prime is 20961667. The next prime is 20961719. The reversal of 20961676 is 67616902.
It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3906 + ... + 7561.
Almost surely, 220961676 is an apocalyptic number.
It is an amenable number.
20961676 is a deficient number, since it is larger than the sum of its proper divisors (15804732).
20961676 is a wasteful number, since it uses less digits than its factorization.
20961676 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11928 (or 11926 counting only the distinct ones).
The product of its (nonzero) digits is 27216, while the sum is 37.
The square root of 20961676 is about 4578.3922942448. The cubic root of 20961676 is about 275.7244852656.
The spelling of 20961676 in words is "twenty million, nine hundred sixty-one thousand, six hundred seventy-six".
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