Base | Representation |
---|---|
bin | 110000010000… |
… | …1100000100000 |
3 | 1202121112021211 |
4 | 1200201200200 |
5 | 22434144242 |
6 | 2302155504 |
7 | 425033614 |
oct | 140414040 |
9 | 52545254 |
10 | 25303072 |
11 | 13312633 |
12 | 8582b94 |
13 | 531c142 |
14 | 3509344 |
15 | 234c317 |
hex | 1821820 |
25303072 has 48 divisors (see below), whose sum is σ = 53239032. Its totient is φ = 11796480.
The previous prime is 25303067. The next prime is 25303081. The reversal of 25303072 is 27030352.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 23775376 + 1527696 = 4876^2 + 1236^2 .
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, 104872 + ... + 105112.
Almost surely, 225303072 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 25303072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26619516).
25303072 is an abundant number, since it is smaller than the sum of its proper divisors (27935960).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25303072 is a wasteful number, since it uses less digits than its factorization.
25303072 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 461 (or 453 counting only the distinct ones).
The product of its (nonzero) digits is 1260, while the sum is 22.
The square root of 25303072 is about 5030.2158999391. The cubic root of 25303072 is about 293.5786148600.
The spelling of 25303072 in words is "twenty-five million, three hundred three thousand, seventy-two".
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