[go: up one dir, main page]

Search a number
-
+
15250134 = 232541689
BaseRepresentation
bin111010001011…
…001011010110
31001200210020210
4322023023112
512401001014
61302510250
7243424014
oct72131326
931623223
1015250134
118676719
125135386
13320c463
14204d8b4
151513859
hexe8b2d6

15250134 has 8 divisors (see below), whose sum is σ = 30500280. Its totient is φ = 5083376.

The previous prime is 15250133. The next prime is 15250187. The reversal of 15250134 is 43105251.

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

15250134 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 15250134.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15250133) by changing a digit.

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, 1270839 + ... + 1270850.

It is an arithmetic number, because the mean of its divisors is an integer number (3812535).

Almost surely, 215250134 is an apocalyptic number.

15250134 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15250134 is a wasteful number, since it uses less digits than its factorization.

15250134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2541694.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 15250134 is about 3905.1419948575. The cubic root of 15250134 is about 247.9845095250.

Adding to 15250134 its reverse (43105251), we get a palindrome (58355385).

The spelling of 15250134 in words is "fifteen million, two hundred fifty thousand, one hundred thirty-four".

Divisors: 1 2 3 6 2541689 5083378 7625067 15250134