Base | Representation |
---|---|
bin | 100110001111… |
… | …0001010111101 |
3 | 1101201110122220 |
4 | 1030132022331 |
5 | 20112442100 |
6 | 1553355553 |
7 | 332251452 |
oct | 114361275 |
9 | 41643586 |
10 | 20046525 |
11 | 10352284 |
12 | 6868bb9 |
13 | 41cb665 |
14 | 293b829 |
15 | 1b5eaa0 |
hex | 131e2bd |
20046525 has 24 divisors (see below), whose sum is σ = 33402624. Its totient is φ = 10608000.
The previous prime is 20046493. The next prime is 20046529. The reversal of 20046525 is 52564002.
It is not a de Polignac number, because 20046525 - 25 = 20046493 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 20046495 and 20046504.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20046529) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9300 + ... + 11250.
It is an arithmetic number, because the mean of its divisors is an integer number (1391776).
Almost surely, 220046525 is an apocalyptic number.
20046525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
20046525 is a deficient number, since it is larger than the sum of its proper divisors (13356099).
20046525 is a wasteful number, since it uses less digits than its factorization.
20046525 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2101 (or 2096 counting only the distinct ones).
The product of its (nonzero) digits is 2400, while the sum is 24.
The square root of 20046525 is about 4477.3345865593. The cubic root of 20046525 is about 271.6520791260.
The spelling of 20046525 in words is "twenty million, forty-six thousand, five hundred twenty-five".
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