Search a number
-
+
14991325 = 521813313
BaseRepresentation
bin111001001011…
…111111011101
31001012122020021
4321023333131
512314210300
61253152141
7241265326
oct71137735
931178207
1014991325
11850a228
12502b651
13314b70b
141dc344d
1514b1d1a
hexe4bfdd

14991325 has 12 divisors (see below), whose sum is σ = 18697588. Its totient is φ = 11923200.

The previous prime is 14991313. The next prime is 14991349. The reversal of 14991325 is 52319941.

It can be written as a sum of positive squares in 6 ways, for example, as 770884 + 14220441 = 878^2 + 3771^2 .

It is not a de Polignac number, because 14991325 - 29 = 14990813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2869 + ... + 6181.

Almost surely, 214991325 is an apocalyptic number.

It is an amenable number.

14991325 is a deficient number, since it is larger than the sum of its proper divisors (3706263).

14991325 is a wasteful number, since it uses less digits than its factorization.

14991325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3504 (or 3499 counting only the distinct ones).

The product of its digits is 9720, while the sum is 34.

The square root of 14991325 is about 3871.8632465520. The cubic root of 14991325 is about 246.5736551765.

The spelling of 14991325 in words is "fourteen million, nine hundred ninety-one thousand, three hundred twenty-five".

Divisors: 1 5 25 181 905 3313 4525 16565 82825 599653 2998265 14991325