Base | Representation |
---|---|
bin | 100110101000… |
… | …0100001001100 |
3 | 1102002221112210 |
4 | 1031100201030 |
5 | 20141041443 |
6 | 2002030420 |
7 | 334100625 |
oct | 115204114 |
9 | 42087483 |
10 | 20252748 |
11 | 1048320a |
12 | 6948410 |
13 | 4271499 |
14 | 2992a4c |
15 | 1ba0c33 |
hex | 135084c |
20252748 has 12 divisors (see below), whose sum is σ = 47256440. Its totient is φ = 6750912.
The previous prime is 20252737. The next prime is 20252761. The reversal of 20252748 is 84725202.
It is a tau number, because it is divible by the number of its divisors (12).
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, 843853 + ... + 843876.
Almost surely, 220252748 is an apocalyptic number.
It is an amenable number.
20252748 is an abundant number, since it is smaller than the sum of its proper divisors (27003692).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20252748 is a wasteful number, since it uses less digits than its factorization.
20252748 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1687736 (or 1687734 counting only the distinct ones).
The product of its (nonzero) digits is 8960, while the sum is 30.
The square root of 20252748 is about 4500.3053229753. The cubic root of 20252748 is about 272.5804178669.
The spelling of 20252748 in words is "twenty million, two hundred fifty-two thousand, seven hundred forty-eight".
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