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14320729 = 31659701
BaseRepresentation
bin110110101000…
…010001011001
3222221120100101
4312220101121
512131230404
61230535401
7232503253
oct66502131
928846311
1014320729
1180a1415
124967561
132c75407
141c8acd3
1513cd2a4
hexda8459

14320729 has 8 divisors (see below), whose sum is σ = 14826240. Its totient is φ = 13818000.

The previous prime is 14320721. The next prime is 14320741. The reversal of 14320729 is 92702341.

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 14320729 - 23 = 14320721 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14320697 and 14320706.

It is not an unprimeable number, because it can be changed into a prime (14320721) 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, 20079 + ... + 20779.

It is an arithmetic number, because the mean of its divisors is an integer number (1853280).

Almost surely, 214320729 is an apocalyptic number.

It is an amenable number.

14320729 is a deficient number, since it is larger than the sum of its proper divisors (505511).

14320729 is an equidigital number, since it uses as much as digits as its factorization.

14320729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1391.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 14320729 is about 3784.2739065771. The cubic root of 14320729 is about 242.8408301286.

The spelling of 14320729 in words is "fourteen million, three hundred twenty thousand, seven hundred twenty-nine".

Divisors: 1 31 659 701 20429 21731 461959 14320729