Search a number
-
+
25232701 = 134345139
BaseRepresentation
bin110000001000…
…0010100111101
31202110221202111
41200100110331
522424421301
62300454021
7424321504
oct140202475
952427674
1025232701
111327477a
12854a311
1352c60c0
1434cb83b
152336551
hex181053d

25232701 has 8 divisors (see below), whose sum is σ = 27806240. Its totient is φ = 22749552.

The previous prime is 25232681. The next prime is 25232723. The reversal of 25232701 is 10723252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-25232701 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25232731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22011 + ... + 23128.

It is an arithmetic number, because the mean of its divisors is an integer number (3475780).

Almost surely, 225232701 is an apocalyptic number.

It is an amenable number.

25232701 is a deficient number, since it is larger than the sum of its proper divisors (2573539).

25232701 is a wasteful number, since it uses less digits than its factorization.

25232701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45195.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 25232701 is about 5023.2162008020. The cubic root of 25232701 is about 293.3062025814.

Adding to 25232701 its reverse (10723252), we get a palindrome (35955953).

The spelling of 25232701 in words is "twenty-five million, two hundred thirty-two thousand, seven hundred one".

Divisors: 1 13 43 559 45139 586807 1940977 25232701