Search a number
-
+
25483013 = 107238159
BaseRepresentation
bin110000100110…
…1011100000101
31202221200010022
41201031130011
523010424023
62310104525
7426413333
oct141153405
952850108
1025483013
1113425846
12864b145
13538300a
143554b53
1523857c8
hex184d705

25483013 has 4 divisors (see below), whose sum is σ = 25721280. Its totient is φ = 25244748.

The previous prime is 25482997. The next prime is 25483021. The reversal of 25483013 is 31038452.

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 25483013 - 24 = 25482997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25483063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118973 + ... + 119186.

It is an arithmetic number, because the mean of its divisors is an integer number (6430320).

Almost surely, 225483013 is an apocalyptic number.

It is an amenable number.

25483013 is a deficient number, since it is larger than the sum of its proper divisors (238267).

25483013 is a wasteful number, since it uses less digits than its factorization.

25483013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238266.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 25483013 is about 5048.0702253435. The cubic root of 25483013 is about 294.2728928405.

The spelling of 25483013 in words is "twenty-five million, four hundred eighty-three thousand, thirteen".

Divisors: 1 107 238159 25483013