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14223013 = 79720947
BaseRepresentation
bin110110010000…
…011010100101
3222202121022021
4312100122211
512120114023
61224503141
7231615340
oct66203245
928677267
1014223013
118034a62
12491aab1
132c3caac
141c63457
1513ae35d
hexd906a5

14223013 has 8 divisors (see below), whose sum is σ = 16423232. Its totient is φ = 12064896.

The previous prime is 14222983. The next prime is 14223031. The reversal of 14223013 is 31032241.

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 14223013 - 29 = 14222501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14223113) 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 7 ways as a sum of consecutive naturals, for example, 9795 + ... + 11152.

It is an arithmetic number, because the mean of its divisors is an integer number (2052904).

Almost surely, 214223013 is an apocalyptic number.

It is an amenable number.

14223013 is a deficient number, since it is larger than the sum of its proper divisors (2200219).

14223013 is an equidigital number, since it uses as much as digits as its factorization.

14223013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21051.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 14223013 is about 3771.3410081826. The cubic root of 14223013 is about 242.2872360608.

Adding to 14223013 its reverse (31032241), we get a palindrome (45255254).

It can be divided in two parts, 142 and 23013, that multiplied together give a triangular number (3267846 = T2556).

The spelling of 14223013 in words is "fourteen million, two hundred twenty-three thousand, thirteen".

Divisors: 1 7 97 679 20947 146629 2031859 14223013