Base | Representation |
---|---|
bin | 110001011001… |
… | …1011101001000 |
3 | 1210201220022120 |
4 | 1202303131020 |
5 | 23112311442 |
6 | 2323051240 |
7 | 433103514 |
oct | 142633510 |
9 | 53656276 |
10 | 25900872 |
11 | 13690788 |
12 | 8810b20 |
13 | 549b27a |
14 | 3623144 |
15 | 24194ec |
hex | 18b3748 |
25900872 has 48 divisors (see below), whose sum is σ = 66967920. Its totient is φ = 8347680.
The previous prime is 25900867. The next prime is 25900873. The reversal of 25900872 is 27800952.
It is not an unprimeable number, because it can be changed into a prime (25900873) 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, 22503 + ... + 23625.
It is an arithmetic number, because the mean of its divisors is an integer number (1395165).
Almost surely, 225900872 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 25900872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33483960).
25900872 is an abundant number, since it is smaller than the sum of its proper divisors (41067048).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25900872 is a wasteful number, since it uses less digits than its factorization.
25900872 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1194 (or 1159 counting only the distinct ones).
The product of its (nonzero) digits is 10080, while the sum is 33.
The square root of 25900872 is about 5089.2899308253. The cubic root of 25900872 is about 295.8726320779.
The spelling of 25900872 in words is "twenty-five million, nine hundred thousand, eight hundred seventy-two".
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