Base | Representation |
---|---|
bin | 101111111101… |
… | …1000000011100 |
3 | 1202022111222002 |
4 | 1133323000130 |
5 | 22414122442 |
6 | 2254541432 |
7 | 423506060 |
oct | 137730034 |
9 | 52274862 |
10 | 25145372 |
11 | 132150aa |
12 | 8507878 |
13 | 5295425 |
14 | 34a7aa0 |
15 | 231a732 |
hex | 17fb01c |
25145372 has 24 divisors (see below), whose sum is σ = 50448384. Its totient is φ = 10742832.
The previous prime is 25145369. The next prime is 25145381. The reversal of 25145372 is 27354152.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9053 + ... + 11499.
It is an arithmetic number, because the mean of its divisors is an integer number (2102016).
Almost surely, 225145372 is an apocalyptic number.
It is an amenable number.
25145372 is an abundant number, since it is smaller than the sum of its proper divisors (25303012).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25145372 is a wasteful number, since it uses less digits than its factorization.
25145372 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2825 (or 2823 counting only the distinct ones).
The product of its digits is 8400, while the sum is 29.
The square root of 25145372 is about 5014.5161282022. The cubic root of 25145372 is about 292.9674392174.
The spelling of 25145372 in words is "twenty-five million, one hundred forty-five thousand, three hundred seventy-two".
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