Base | Representation |
---|---|
bin | 110000011110… |
… | …0010010110110 |
3 | 1202211002210110 |
4 | 1200330102312 |
5 | 23001202130 |
6 | 2304403450 |
7 | 426001524 |
oct | 140742266 |
9 | 52732713 |
10 | 25412790 |
11 | 13388007 |
12 | 8616586 |
13 | 535a070 |
14 | 3537314 |
15 | 236eab0 |
hex | 183c4b6 |
25412790 has 64 divisors (see below), whose sum is σ = 69564096. Its totient is φ = 5885952.
The previous prime is 25412789. The next prime is 25412791. The reversal of 25412790 is 9721452.
It is an interprime number because it is at equal distance from previous prime (25412789) and next prime (25412791).
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (25412791) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4714 + ... + 8546.
It is an arithmetic number, because the mean of its divisors is an integer number (1086939).
Almost surely, 225412790 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 25412790, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34782048).
25412790 is an abundant number, since it is smaller than the sum of its proper divisors (44151306).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25412790 is a wasteful number, since it uses less digits than its factorization.
25412790 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3873.
The product of its (nonzero) digits is 5040, while the sum is 30.
The square root of 25412790 is about 5041.1099968162. The cubic root of 25412790 is about 294.0023369706.
The spelling of 25412790 in words is "twenty-five million, four hundred twelve thousand, seven hundred ninety".
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