Base | Representation |
---|---|
bin | 100110101001… |
… | …1001101000100 |
3 | 1102010111122012 |
4 | 1031103031010 |
5 | 20141414443 |
6 | 2002153352 |
7 | 334144661 |
oct | 115231504 |
9 | 42114565 |
10 | 20263748 |
11 | 104904aa |
12 | 6952858 |
13 | 42764ab |
14 | 2996a68 |
15 | 1ba4118 |
hex | 1353344 |
20263748 has 12 divisors (see below), whose sum is σ = 35991312. Its totient is φ = 9980520.
The previous prime is 20263741. The next prime is 20263751. The reversal of 20263748 is 84736202.
It is not an unprimeable number, because it can be changed into a prime (20263741) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37538 + ... + 38073.
It is an arithmetic number, because the mean of its divisors is an integer number (2999276).
Almost surely, 220263748 is an apocalyptic number.
It is an amenable number.
20263748 is a deficient number, since it is larger than the sum of its proper divisors (15727564).
20263748 is a wasteful number, since it uses less digits than its factorization.
20263748 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 75682 (or 75680 counting only the distinct ones).
The product of its (nonzero) digits is 16128, while the sum is 32.
The square root of 20263748 is about 4501.5272963740. The cubic root of 20263748 is about 272.6297583632.
The spelling of 20263748 in words is "twenty million, two hundred sixty-three thousand, seven hundred forty-eight".
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