Search a number
-
+
25194241 = 148716943
BaseRepresentation
bin110000000011…
…0111100000001
31202102000000001
41200012330001
522422203431
62300000001
7424101412
oct140067401
952360001
1025194241
1113248896
128530001
1352b1747
1434bb809
152329e61
hex1806f01

25194241 has 4 divisors (see below), whose sum is σ = 25212672. Its totient is φ = 25175812.

The previous prime is 25194217. The next prime is 25194263. The reversal of 25194241 is 14249152.

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 25194241 - 221 = 23097089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25194941) 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, 6985 + ... + 9958.

It is an arithmetic number, because the mean of its divisors is an integer number (6303168).

Almost surely, 225194241 is an apocalyptic number.

It is an amenable number.

25194241 is a deficient number, since it is larger than the sum of its proper divisors (18431).

25194241 is a wasteful number, since it uses less digits than its factorization.

25194241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18430.

The product of its digits is 2880, while the sum is 28.

The square root of 25194241 is about 5019.3865162986. The cubic root of 25194241 is about 293.1571064709.

The spelling of 25194241 in words is "twenty-five million, one hundred ninety-four thousand, two hundred forty-one".

Divisors: 1 1487 16943 25194241