Base | Representation |
---|---|
bin | 110000001000… |
… | …0000000000000 |
3 | 1202110212220211 |
4 | 1200100000000 |
5 | 22424400420 |
6 | 2300443504 |
7 | 424314550 |
oct | 140200000 |
9 | 52425824 |
10 | 25231360 |
11 | 13273770 |
12 | 8549594 |
13 | 52c55cb |
14 | 34cb160 |
15 | 2335e5a |
hex | 1810000 |
25231360 has 136 divisors (see below), whose sum is σ = 75496896. Its totient is φ = 7864320.
The previous prime is 25231351. The next prime is 25231361. The reversal of 25231360 is 6313252.
It is a Harshad number since it is a multiple of its sum of digits (22).
It is not an unprimeable number, because it can be changed into a prime (25231361) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (3) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2293755 + ... + 2293765.
Almost surely, 225231360 is an apocalyptic number.
25231360 is a gapful number since it is divisible by the number (20) 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 25231360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37748448).
25231360 is an abundant number, since it is smaller than the sum of its proper divisors (50265536).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25231360 is an frugal number, since it uses more digits than its factorization.
25231360 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 55 (or 25 counting only the distinct ones).
The product of its (nonzero) digits is 1080, while the sum is 22.
The square root of 25231360 is about 5023.0827188092. The cubic root of 25231360 is about 293.3010065386.
It can be divided in two parts, 2523 and 1360, that added together give a palindrome (3883).
The spelling of 25231360 in words is "twenty-five million, two hundred thirty-one thousand, three hundred sixty".
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