Base | Representation |
---|---|
bin | 100111101010… |
… | …1000001111100 |
3 | 1110010112002022 |
4 | 1033111001330 |
5 | 20310424031 |
6 | 2021415312 |
7 | 341521220 |
oct | 117250174 |
9 | 43115068 |
10 | 20795516 |
11 | 10813a85 |
12 | 6b6a538 |
13 | 4401551 |
14 | 2a94780 |
15 | 1c5b97b |
hex | 13d507c |
20795516 has 12 divisors (see below), whose sum is σ = 41591088. Its totient is φ = 8912352.
The previous prime is 20795497. The next prime is 20795521. The reversal of 20795516 is 61559702.
20795516 is an admirable number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 371321 + ... + 371376.
It is an arithmetic number, because the mean of its divisors is an integer number (3465924).
Almost surely, 220795516 is an apocalyptic number.
It is an amenable number.
20795516 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20795516 is a wasteful number, since it uses less digits than its factorization.
20795516 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 742708 (or 742706 counting only the distinct ones).
The product of its (nonzero) digits is 18900, while the sum is 35.
The square root of 20795516 is about 4560.2100828800. The cubic root of 20795516 is about 274.9940097869.
The spelling of 20795516 in words is "twenty million, seven hundred ninety-five thousand, five hundred sixteen".
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