Base | Representation |
---|---|
bin | 100111101010… |
… | …0111110001000 |
3 | 1110010111202021 |
4 | 1033110332020 |
5 | 20310422042 |
6 | 2021414224 |
7 | 341520421 |
oct | 117247610 |
9 | 43114667 |
10 | 20795272 |
11 | 10813883 |
12 | 6b6a374 |
13 | 44013c4 |
14 | 2a94648 |
15 | 1c5b867 |
hex | 13d4f88 |
20795272 has 16 divisors (see below), whose sum is σ = 41043600. Its totient is φ = 9850320.
The previous prime is 20795251. The next prime is 20795279. The reversal of 20795272 is 27259702.
It is not an unprimeable number, because it can be changed into a prime (20795279) by changing a digit.
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, 68254 + ... + 68557.
It is an arithmetic number, because the mean of its divisors is an integer number (2565225).
Almost surely, 220795272 is an apocalyptic number.
It is an amenable number.
20795272 is a deficient number, since it is larger than the sum of its proper divisors (20248328).
20795272 is a wasteful number, since it uses less digits than its factorization.
20795272 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 136836 (or 136832 counting only the distinct ones).
The product of its (nonzero) digits is 17640, while the sum is 34.
The square root of 20795272 is about 4560.1833296481. The cubic root of 20795272 is about 274.9929342537.
The spelling of 20795272 in words is "twenty million, seven hundred ninety-five thousand, two hundred seventy-two".
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