Base | Representation |
---|---|
bin | 101111110101… |
… | …0100111100001 |
3 | 1202012002212202 |
4 | 1133222213201 |
5 | 22410000431 |
6 | 2253302545 |
7 | 423106256 |
oct | 137524741 |
9 | 52162782 |
10 | 25078241 |
11 | 13179721 |
12 | 8494a55 |
13 | 52709c6 |
14 | 348b42d |
15 | 23058cb |
hex | 17ea9e1 |
25078241 has 4 divisors (see below), whose sum is σ = 25258800. Its totient is φ = 24897684.
The previous prime is 25078217. The next prime is 25078321. The reversal of 25078241 is 14287052.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 25078241 - 218 = 24816097 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (25038241) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90071 + ... + 90348.
It is an arithmetic number, because the mean of its divisors is an integer number (6314700).
Almost surely, 225078241 is an apocalyptic number.
It is an amenable number.
25078241 is a deficient number, since it is larger than the sum of its proper divisors (180559).
25078241 is a wasteful number, since it uses less digits than its factorization.
25078241 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 180558.
The product of its (nonzero) digits is 4480, while the sum is 29.
The square root of 25078241 is about 5007.8179879065. The cubic root of 25078241 is about 292.7064935834.
The spelling of 25078241 in words is "twenty-five million, seventy-eight thousand, two hundred forty-one".
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