Base | Representation |
---|---|
bin | 100110011000… |
… | …1100010001001 |
3 | 1101212111110020 |
4 | 1030301202021 |
5 | 20123011313 |
6 | 1555211053 |
7 | 333031620 |
oct | 114614211 |
9 | 41774406 |
10 | 20125833 |
11 | 103a6922 |
12 | 68a6a89 |
13 | 42287a0 |
14 | 295c6b7 |
15 | 1b78323 |
hex | 1331889 |
20125833 has 16 divisors (see below), whose sum is σ = 33027456. Its totient is φ = 10615680.
The previous prime is 20125829. The next prime is 20125843. The reversal of 20125833 is 33852102.
It is not a de Polignac number, because 20125833 - 22 = 20125829 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (20125843) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36588 + ... + 37133.
It is an arithmetic number, because the mean of its divisors is an integer number (2064216).
Almost surely, 220125833 is an apocalyptic number.
It is an amenable number.
20125833 is a deficient number, since it is larger than the sum of its proper divisors (12901623).
20125833 is a wasteful number, since it uses less digits than its factorization.
20125833 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 73744.
The product of its (nonzero) digits is 1440, while the sum is 24.
The square root of 20125833 is about 4486.1824528211. The cubic root of 20125833 is about 272.0098441146.
Adding to 20125833 its reverse (33852102), we get a palindrome (53977935).
The spelling of 20125833 in words is "twenty million, one hundred twenty-five thousand, eight hundred thirty-three".
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