Base | Representation |
---|---|
bin | 101111111100… |
… | …0011110111000 |
3 | 1202021222210010 |
4 | 1133320132320 |
5 | 22413310112 |
6 | 2254421520 |
7 | 423433656 |
oct | 137703670 |
9 | 52258703 |
10 | 25135032 |
11 | 1320835a |
12 | 85018a0 |
13 | 5290800 |
14 | 34a3dd6 |
15 | 231763c |
hex | 17f87b8 |
25135032 has 48 divisors (see below), whose sum is σ = 68054040. Its totient is φ = 7732608.
The previous prime is 25135031. The next prime is 25135037. The reversal of 25135032 is 23053152.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (25135031) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 958 + ... + 7154.
Almost surely, 225135032 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 25135032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34027020).
25135032 is an abundant number, since it is smaller than the sum of its proper divisors (42919008).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25135032 is a wasteful number, since it uses less digits than its factorization.
25135032 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6232 (or 6215 counting only the distinct ones).
The product of its (nonzero) digits is 900, while the sum is 21.
The square root of 25135032 is about 5013.4850154359. The cubic root of 25135032 is about 292.9272767753.
Adding to 25135032 its reverse (23053152), we get a palindrome (48188184).
The spelling of 25135032 in words is "twenty-five million, one hundred thirty-five thousand, thirty-two".
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