Base | Representation |
---|---|
bin | 110001011100… |
… | …0111000001001 |
3 | 1210210000210010 |
4 | 1202320320021 |
5 | 23114014311 |
6 | 2323342133 |
7 | 433225332 |
oct | 142707011 |
9 | 53700703 |
10 | 25923081 |
11 | 136a6438 |
12 | 8821949 |
13 | 54a8402 |
14 | 362b289 |
15 | 2420da6 |
hex | 18b8e09 |
25923081 has 8 divisors (see below), whose sum is σ = 34720000. Its totient is φ = 17204112.
The previous prime is 25923077. The next prime is 25923089. The reversal of 25923081 is 18032952.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 25923081 - 22 = 25923077 is a prime.
It is a super-2 number, since 2×259230812 = 1344012257065122, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (25923089) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 18706 + ... + 20043.
It is an arithmetic number, because the mean of its divisors is an integer number (4340000).
Almost surely, 225923081 is an apocalyptic number.
It is an amenable number.
25923081 is a deficient number, since it is larger than the sum of its proper divisors (8796919).
25923081 is a wasteful number, since it uses less digits than its factorization.
25923081 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 38975.
The product of its (nonzero) digits is 4320, while the sum is 30.
The square root of 25923081 is about 5091.4713983288. The cubic root of 25923081 is about 295.9571743801.
The spelling of 25923081 in words is "twenty-five million, nine hundred twenty-three thousand, eighty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •