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14530331 = 113149863
BaseRepresentation
bin110111011011…
…011100011011
31000100012212102
4313123130123
512204432311
61235234015
7234335324
oct67333433
930305772
1014530331
118224942
124a4890b
13301993a
141d0344b
15142043b
hexddb71b

14530331 has 8 divisors (see below), whose sum is σ = 14774400. Its totient is φ = 14288512.

The previous prime is 14530301. The next prime is 14530337. The reversal of 14530331 is 13303541.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 14530331 - 26 = 14530267 is a prime.

It is a super-2 number, since 2×145303312 = 422261037939122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14530337) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16406 + ... + 17268.

It is an arithmetic number, because the mean of its divisors is an integer number (1846800).

Almost surely, 214530331 is an apocalyptic number.

14530331 is a deficient number, since it is larger than the sum of its proper divisors (244069).

14530331 is a wasteful number, since it uses less digits than its factorization.

14530331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1125.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 14530331 is about 3811.8671277997. The cubic root of 14530331 is about 244.0198575167.

Adding to 14530331 its reverse (13303541), we get a palindrome (27833872).

The spelling of 14530331 in words is "fourteen million, five hundred thirty thousand, three hundred thirty-one".

Divisors: 1 113 149 863 16837 97519 128587 14530331