Base | Representation |
---|---|
bin | 100110100000… |
… | …1101100111101 |
3 | 1101222212022010 |
4 | 1031001230331 |
5 | 20132121221 |
6 | 2000441433 |
7 | 333425661 |
oct | 115015475 |
9 | 41885263 |
10 | 20192061 |
11 | 1044165a |
12 | 6919279 |
13 | 424c986 |
14 | 29788a1 |
15 | 1b8cc76 |
hex | 1341b3d |
20192061 has 4 divisors (see below), whose sum is σ = 26922752. Its totient is φ = 13461372.
The previous prime is 20192027. The next prime is 20192071. The reversal of 20192061 is 16029102.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is not a de Polignac number, because 20192061 - 211 = 20190013 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20192071) 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, 3365341 + ... + 3365346.
It is an arithmetic number, because the mean of its divisors is an integer number (6730688).
Almost surely, 220192061 is an apocalyptic number.
It is an amenable number.
20192061 is a deficient number, since it is larger than the sum of its proper divisors (6730691).
20192061 is an equidigital number, since it uses as much as digits as its factorization.
20192061 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6730690.
The product of its (nonzero) digits is 216, while the sum is 21.
The square root of 20192061 is about 4493.5577218948. The cubic root of 20192061 is about 272.3078846766.
The spelling of 20192061 in words is "twenty million, one hundred ninety-two thousand, sixty-one".
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