Base | Representation |
---|---|
bin | 100110001100… |
… | …0111101001000 |
3 | 1101200101100121 |
4 | 1030120331020 |
5 | 20111301120 |
6 | 1553113024 |
7 | 332132251 |
oct | 114307510 |
9 | 41611317 |
10 | 20025160 |
11 | 10338221 |
12 | 6858774 |
13 | 41c1a0c |
14 | 2933b28 |
15 | 1b585aa |
hex | 1318f48 |
20025160 has 16 divisors (see below), whose sum is σ = 45056700. Its totient is φ = 8010048.
The previous prime is 20025151. The next prime is 20025191. The reversal of 20025160 is 6152002.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 18541636 + 1483524 = 4306^2 + 1218^2 .
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 250275 + ... + 250354.
Almost surely, 220025160 is an apocalyptic number.
20025160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20025160 is an abundant number, since it is smaller than the sum of its proper divisors (25031540).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20025160 is a wasteful number, since it uses less digits than its factorization.
20025160 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 500640 (or 500636 counting only the distinct ones).
The product of its (nonzero) digits is 120, while the sum is 16.
The square root of 20025160 is about 4474.9480443911. The cubic root of 20025160 is about 271.5555385411. Note that the first 4 decimals are identical.
Adding to 20025160 its reverse (6152002), we get a palindrome (26177162).
The spelling of 20025160 in words is "twenty million, twenty-five thousand, one hundred sixty".
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