Base | Representation |
---|---|
bin | 110000010100… |
… | …0001111011010 |
3 | 1202122221010020 |
4 | 1200220033122 |
5 | 22441040100 |
6 | 2302531310 |
7 | 425210202 |
oct | 140501732 |
9 | 52587106 |
10 | 25330650 |
11 | 13331324 |
12 | 8596b36 |
13 | 532b867 |
14 | 3515402 |
15 | 23555a0 |
hex | 18283da |
25330650 has 48 divisors (see below), whose sum is σ = 64174464. Its totient is φ = 6609280.
The previous prime is 25330649. The next prime is 25330651. The reversal of 25330650 is 5603352.
It is an interprime number because it is at equal distance from previous prime (25330649) and next prime (25330651).
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 25330650.
It is not an unprimeable number, because it can be changed into a prime (25330651) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5254 + ... + 8846.
It is an arithmetic number, because the mean of its divisors is an integer number (1336968).
Almost surely, 225330650 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 25330650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32087232).
25330650 is an abundant number, since it is smaller than the sum of its proper divisors (38843814).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25330650 is a wasteful number, since it uses less digits than its factorization.
25330650 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3655 (or 3650 counting only the distinct ones).
The product of its (nonzero) digits is 2700, while the sum is 24.
The square root of 25330650 is about 5032.9563876513. The cubic root of 25330650 is about 293.6852339484.
It can be divided in two parts, 253 and 30650, that added together give a palindrome (30903).
The spelling of 25330650 in words is "twenty-five million, three hundred thirty thousand, six hundred fifty".
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