Base | Representation |
---|---|
bin | 100111101100… |
… | …0101110011100 |
3 | 1110011021211220 |
4 | 1033120232130 |
5 | 20311420102 |
6 | 2022013340 |
7 | 341613312 |
oct | 117305634 |
9 | 43137756 |
10 | 20810652 |
11 | 10824395 |
12 | 6b77250 |
13 | 44083c5 |
14 | 2a9a0b2 |
15 | 1c611bc |
hex | 13d8b9c |
20810652 has 24 divisors (see below), whose sum is σ = 51415056. Its totient is φ = 6528768.
The previous prime is 20810651. The next prime is 20810677. The reversal of 20810652 is 25601802.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20810651) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50803 + ... + 51210.
It is an arithmetic number, because the mean of its divisors is an integer number (2142294).
Almost surely, 220810652 is an apocalyptic number.
It is an amenable number.
20810652 is an abundant number, since it is smaller than the sum of its proper divisors (30604404).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20810652 is a wasteful number, since it uses less digits than its factorization.
20810652 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 102037 (or 102035 counting only the distinct ones).
The product of its (nonzero) digits is 960, while the sum is 24.
The square root of 20810652 is about 4561.8693536751. The cubic root of 20810652 is about 275.0607116646.
The spelling of 20810652 in words is "twenty million, eight hundred ten thousand, six hundred fifty-two".
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