Base | Representation |
---|---|
bin | 110000100000… |
… | …1000100110100 |
3 | 1202212002122201 |
4 | 1201001010310 |
5 | 23002313442 |
6 | 2305034244 |
7 | 426112600 |
oct | 141010464 |
9 | 52762581 |
10 | 25432372 |
11 | 133a0799 |
12 | 8625984 |
13 | 5365c54 |
14 | 3540500 |
15 | 23757b7 |
hex | 1841134 |
25432372 has 18 divisors (see below), whose sum is σ = 51773442. Its totient is φ = 10899504.
The previous prime is 25432367. The next prime is 25432403. The reversal of 25432372 is 27323452.
It can be written as a sum of positive squares in only one way, i.e., 16032016 + 9400356 = 4004^2 + 3066^2 .
It is a Harshad number since it is a multiple of its sum of digits (28).
It is a self number, because there is not a number n which added to its sum of digits gives 25432372.
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, 64683 + ... + 65074.
Almost surely, 225432372 is an apocalyptic number.
It is an amenable number.
25432372 is an abundant number, since it is smaller than the sum of its proper divisors (26341070).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25432372 is a wasteful number, since it uses less digits than its factorization.
25432372 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 129775 (or 129766 counting only the distinct ones).
The product of its digits is 10080, while the sum is 28.
The square root of 25432372 is about 5043.0518537885. The cubic root of 25432372 is about 294.0778327565.
The spelling of 25432372 in words is "twenty-five million, four hundred thirty-two thousand, three hundred seventy-two".
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