Base | Representation |
---|---|
bin | 110000010001… |
… | …1111010110110 |
3 | 1202122000211200 |
4 | 1200203322312 |
5 | 22440003300 |
6 | 2302313330 |
7 | 425104455 |
oct | 140437266 |
9 | 52560750 |
10 | 25312950 |
11 | 13319aa3 |
12 | 8588846 |
13 | 53237a0 |
14 | 350cb9c |
15 | 2350200 |
hex | 1823eb6 |
25312950 has 72 divisors (see below), whose sum is σ = 73255728. Its totient is φ = 6229440.
The previous prime is 25312919. The next prime is 25312951. The reversal of 25312950 is 5921352.
It is a Curzon number.
It is a zygodrome in base 5.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (25312951) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3687 + ... + 8013.
Almost surely, 225312950 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 25312950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36627864).
25312950 is an abundant number, since it is smaller than the sum of its proper divisors (47942778).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25312950 is a wasteful number, since it uses less digits than its factorization.
25312950 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4358 (or 4350 counting only the distinct ones).
The product of its (nonzero) digits is 2700, while the sum is 27.
The square root of 25312950 is about 5031.1976705353. The cubic root of 25312950 is about 293.6168130185.
It can be divided in two parts, 25312 and 950, that added together give a palindrome (26262).
The spelling of 25312950 in words is "twenty-five million, three hundred twelve thousand, nine hundred fifty".
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