Base | Representation |
---|---|
bin | 101111101111… |
… | …0110001010000 |
3 | 1202002122022101 |
4 | 1133132301100 |
5 | 22401422322 |
6 | 2252250144 |
7 | 422514631 |
oct | 137366120 |
9 | 52078271 |
10 | 25029712 |
11 | 13146214 |
12 | 8470954 |
13 | 52548a6 |
14 | 3477888 |
15 | 22e6327 |
hex | 17dec50 |
25029712 has 30 divisors (see below), whose sum is σ = 51525038. Its totient is φ = 11776512.
The previous prime is 25029689. The next prime is 25029731. The reversal of 25029712 is 21792052.
It can be written as a sum of positive squares in 3 ways, for example, as 6574096 + 18455616 = 2564^2 + 4296^2 .
It is a plaindrome in base 14.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1918 + ... + 7330.
Almost surely, 225029712 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 25029712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25762519).
25029712 is an abundant number, since it is smaller than the sum of its proper divisors (26495326).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25029712 is a wasteful number, since it uses less digits than its factorization.
25029712 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5455 (or 5432 counting only the distinct ones).
The product of its (nonzero) digits is 2520, while the sum is 28.
The square root of 25029712 is about 5002.9703177213. The cubic root of 25029712 is about 292.5175658479.
The spelling of 25029712 in words is "twenty-five million, twenty-nine thousand, seven hundred twelve".
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