Base | Representation |
---|---|
bin | 101111110000… |
… | …1111011000010 |
3 | 1202010022000200 |
4 | 1133201323002 |
5 | 22402331001 |
6 | 2252430030 |
7 | 422600400 |
oct | 137417302 |
9 | 52108020 |
10 | 25042626 |
11 | 13154994 |
12 | 8478316 |
13 | 525a72b |
14 | 347c470 |
15 | 22ea086 |
hex | 17e1ec2 |
25042626 has 36 divisors (see below), whose sum is σ = 63119862. Its totient is φ = 7154784.
The previous prime is 25042621. The next prime is 25042639. The reversal of 25042626 is 62624052.
It can be written as a sum of positive squares in only one way, i.e., 14447601 + 10595025 = 3801^2 + 3255^2 .
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 25042626.
It is not an unprimeable number, because it can be changed into a prime (25042621) 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, 13315 + ... + 15078.
Almost surely, 225042626 is an apocalyptic number.
25042626 is an abundant number, since it is smaller than the sum of its proper divisors (38077236).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25042626 is a wasteful number, since it uses less digits than its factorization.
25042626 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28415 (or 28405 counting only the distinct ones).
The product of its (nonzero) digits is 5760, while the sum is 27.
The square root of 25042626 is about 5004.2607845715. The cubic root of 25042626 is about 292.5678650331.
Adding to 25042626 its reverse (62624052), we get a palindrome (87666678).
The spelling of 25042626 in words is "twenty-five million, forty-two thousand, six hundred twenty-six".
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