Base | Representation |
---|---|
bin | 100111111110… |
… | …1100011001010 |
3 | 1110102221202012 |
4 | 1033331203022 |
5 | 20331231412 |
6 | 2025135522 |
7 | 343112123 |
oct | 117754312 |
9 | 43387665 |
10 | 20961482 |
11 | 10917743 |
12 | 702a5a2 |
13 | 445bc59 |
14 | 2ad904a |
15 | 1c90c22 |
hex | 13fd8ca |
20961482 has 8 divisors (see below), whose sum is σ = 31461696. Its totient is φ = 10474252.
The previous prime is 20961467. The next prime is 20961517. The reversal of 20961482 is 28416902.
It is a sphenic number, since it is the product of 3 distinct primes.
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, 4313 + ... + 7779.
It is an arithmetic number, because the mean of its divisors is an integer number (3932712).
Almost surely, 220961482 is an apocalyptic number.
20961482 is a deficient number, since it is larger than the sum of its proper divisors (10500214).
20961482 is a wasteful number, since it uses less digits than its factorization.
20961482 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6492.
The product of its (nonzero) digits is 6912, while the sum is 32.
The square root of 20961482 is about 4578.3711077194. The cubic root of 20961482 is about 275.7236346543.
The spelling of 20961482 in words is "twenty million, nine hundred sixty-one thousand, four hundred eighty-two".
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