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25214 = 271801
BaseRepresentation
bin110001001111110
31021120212
412021332
51301324
6312422
7133340
oct61176
937525
1025214
1117a42
1212712
13b627
149290
15770e
hex627e

25214 has 8 divisors (see below), whose sum is σ = 43248. Its totient is φ = 10800.

The previous prime is 25189. The next prime is 25219. The reversal of 25214 is 41252.

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

It is a Harshad number since it is a multiple of its sum of digits (14), and also a Moran number because the ratio is a prime number: 1801 = 25214 / (2 + 5 + 2 + 1 + 4).

It is a d-powerful number, because it can be written as 29 + 53 + 213 + 1 + 47 .

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

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 25214.

It is not an unprimeable number, because it can be changed into a prime (25219) 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, 887 + ... + 914.

It is an arithmetic number, because the mean of its divisors is an integer number (5406).

225214 is an apocalyptic number.

25214 is a deficient number, since it is larger than the sum of its proper divisors (18034).

25214 is a wasteful number, since it uses less digits than its factorization.

25214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1810.

The product of its digits is 80, while the sum is 14.

The square root of 25214 is about 158.7891683963. The cubic root of 25214 is about 29.3233724214.

Subtracting from 25214 its sum of digits (14), we obtain a triangular number (25200 = T224).

Adding to 25214 its reverse (41252), we get a palindrome (66466).

The spelling of 25214 in words is "twenty-five thousand, two hundred fourteen".

Divisors: 1 2 7 14 1801 3602 12607 25214