Base | Representation |
---|---|
bin | 110001011100… |
… | …0001000110000 |
3 | 1210202212121210 |
4 | 1202320020300 |
5 | 23113420143 |
6 | 2323320120 |
7 | 433213440 |
oct | 142701060 |
9 | 53685553 |
10 | 25920048 |
11 | 136a4130 |
12 | 8820040 |
13 | 54a6c0b |
14 | 362a120 |
15 | 2420033 |
hex | 18b8230 |
25920048 has 80 divisors (see below), whose sum is σ = 83494656. Its totient is φ = 6731520.
The previous prime is 25920031. The next prime is 25920079. The reversal of 25920048 is 84002952.
It is a junction number, because it is equal to n+sod(n) for n = 25919997 and 25920024.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 190 + ... + 7202.
Almost surely, 225920048 is an apocalyptic number.
25920048 is a gapful number since it is divisible by the number (28) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 25920048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41747328).
25920048 is an abundant number, since it is smaller than the sum of its proper divisors (57574608).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25920048 is a wasteful number, since it uses less digits than its factorization.
25920048 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7042 (or 7036 counting only the distinct ones).
The product of its (nonzero) digits is 5760, while the sum is 30.
The square root of 25920048 is about 5091.1735385862. The cubic root of 25920048 is about 295.9456316019.
The spelling of 25920048 in words is "twenty-five million, nine hundred twenty thousand, forty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.064 sec. • engine limits •