Search a number
-
+
14888321 = 72126903
BaseRepresentation
bin111000110010…
…110110000001
31001000101221022
4320302312001
512302411241
61251035225
7240356120
oct70626601
931011838
1014888321
1184498a8
124b9bb15
133113876
141d97ab7
15149154b
hexe32d81

14888321 has 4 divisors (see below), whose sum is σ = 17015232. Its totient is φ = 12761412.

The previous prime is 14888317. The next prime is 14888329. The reversal of 14888321 is 12388841.

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 14888321 - 22 = 14888317 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14888329) 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, 1063445 + ... + 1063458.

It is an arithmetic number, because the mean of its divisors is an integer number (4253808).

Almost surely, 214888321 is an apocalyptic number.

It is an amenable number.

14888321 is a deficient number, since it is larger than the sum of its proper divisors (2126911).

14888321 is an equidigital number, since it uses as much as digits as its factorization.

14888321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2126910.

The product of its digits is 12288, while the sum is 35.

The square root of 14888321 is about 3858.5387130363. The cubic root of 14888321 is about 246.0076285999.

The spelling of 14888321 in words is "fourteen million, eight hundred eighty-eight thousand, three hundred twenty-one".

Divisors: 1 7 2126903 14888321