Search a number
-
+
25285982 = 253238547
BaseRepresentation
bin110000001110…
…1010101011110
31202120122211212
41200131111132
522433122412
62301544422
7424633031
oct140352536
952518755
1025285982
1113300807
128575112
135314427
143503018
152347222
hex181d55e

25285982 has 8 divisors (see below), whose sum is σ = 38644776. Its totient is φ = 12404392.

The previous prime is 25285969. The next prime is 25286003. The reversal of 25285982 is 28958252.

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

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 119168 + ... + 119379.

It is an arithmetic number, because the mean of its divisors is an integer number (4830597).

Almost surely, 225285982 is an apocalyptic number.

25285982 is a deficient number, since it is larger than the sum of its proper divisors (13358794).

25285982 is a wasteful number, since it uses less digits than its factorization.

25285982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238602.

The product of its digits is 115200, while the sum is 41.

The square root of 25285982 is about 5028.5168787626. The cubic root of 25285982 is about 293.5125044614.

The spelling of 25285982 in words is "twenty-five million, two hundred eighty-five thousand, nine hundred eighty-two".

Divisors: 1 2 53 106 238547 477094 12642991 25285982