Base | Representation |
---|---|
bin | 100111111101… |
… | …0101011111000 |
3 | 1110102100122202 |
4 | 1033322223320 |
5 | 20330343002 |
6 | 2025005332 |
7 | 343032665 |
oct | 117725370 |
9 | 43370582 |
10 | 20949752 |
11 | 1090994a |
12 | 7023848 |
13 | 4456805 |
14 | 2ad4a6c |
15 | 1c8c502 |
hex | 13faaf8 |
20949752 has 16 divisors (see below), whose sum is σ = 39341400. Its totient is φ = 10458720.
The previous prime is 20949749. The next prime is 20949767. The reversal of 20949752 is 25794902.
It is a congruent number.
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, 4874 + ... + 8102.
Almost surely, 220949752 is an apocalyptic number.
It is an amenable number.
20949752 is a deficient number, since it is larger than the sum of its proper divisors (18391648).
20949752 is a wasteful number, since it uses less digits than its factorization.
20949752 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4046 (or 4042 counting only the distinct ones).
The product of its (nonzero) digits is 45360, while the sum is 38.
The square root of 20949752 is about 4577.0899051690. The cubic root of 20949752 is about 275.6721936078.
The spelling of 20949752 in words is "twenty million, nine hundred forty-nine thousand, seven hundred fifty-two".
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