Base | Representation |
---|---|
bin | 101111101100… |
… | …1011010110100 |
3 | 1202001112020200 |
4 | 1133121122310 |
5 | 22400222141 |
6 | 2252000500 |
7 | 422364012 |
oct | 137313264 |
9 | 52045220 |
10 | 25007796 |
11 | 13130800 |
12 | 8460130 |
13 | 5247918 |
14 | 346d8b2 |
15 | 22deab6 |
hex | 17d96b4 |
25007796 has 54 divisors (see below), whose sum is σ = 69495426. Its totient is φ = 7576800.
The previous prime is 25007791. The next prime is 25007803. The reversal of 25007796 is 69770052.
It can be written as a sum of positive squares in only one way, i.e., 21344400 + 3663396 = 4620^2 + 1914^2 .
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a self number, because there is not a number n which added to its sum of digits gives 25007796.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (25007791) by changing a digit.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1486 + ... + 7226.
Almost surely, 225007796 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 25007796, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34747713).
25007796 is an abundant number, since it is smaller than the sum of its proper divisors (44487630).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25007796 is a wasteful number, since it uses less digits than its factorization.
25007796 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5773 (or 5757 counting only the distinct ones).
The product of its (nonzero) digits is 26460, while the sum is 36.
The square root of 25007796 is about 5000.7795392319. The cubic root of 25007796 is about 292.4321648522.
It can be divided in two parts, 2500 and 7796, that added together give a triangular number (10296 = T143).
The spelling of 25007796 in words is "twenty-five million, seven thousand, seven hundred ninety-six".
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