Base | Representation |
---|---|
bin | 110000100111… |
… | …1010011111010 |
3 | 1202222001122100 |
4 | 1201033103322 |
5 | 23011200212 |
6 | 2310204230 |
7 | 426444600 |
oct | 141172372 |
9 | 52861570 |
10 | 25490682 |
11 | 13430588 |
12 | 8653676 |
13 | 5386659 |
14 | 3557870 |
15 | 2387bdc |
hex | 184f4fa |
25490682 has 36 divisors (see below), whose sum is σ = 64249146. Its totient is φ = 7282800.
The previous prime is 25490671. The next prime is 25490687. The reversal of 25490682 is 28609452.
It is a happy number.
It can be written as a sum of positive squares in only one way, i.e., 12895281 + 12595401 = 3591^2 + 3549^2 .
It is not an unprimeable number, because it can be changed into a prime (25490687) 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, 13569 + ... + 15332.
Almost surely, 225490682 is an apocalyptic number.
25490682 is an abundant number, since it is smaller than the sum of its proper divisors (38758464).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25490682 is a wasteful number, since it uses less digits than its factorization.
25490682 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28923 (or 28913 counting only the distinct ones).
The product of its (nonzero) digits is 34560, while the sum is 36.
The square root of 25490682 is about 5048.8297654011. The cubic root of 25490682 is about 294.3024099214.
The spelling of 25490682 in words is "twenty-five million, four hundred ninety thousand, six hundred eighty-two".
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