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14309320 = 235357733
BaseRepresentation
bin110110100101…
…011111001000
3222220222200211
4312211133020
512130344240
61230410504
7232425064
oct66453710
928828624
1014309320
118093893
124960a34
132c7016c
141c86aa4
1513c9bea
hexda57c8

14309320 has 16 divisors (see below), whose sum is σ = 32196060. Its totient is φ = 5723712.

The previous prime is 14309297. The next prime is 14309327. The reversal of 14309320 is 2390341.

It can be written as a sum of positive squares in 2 ways, for example, as 13793796 + 515524 = 3714^2 + 718^2 .

It is a junction number, because it is equal to n+sod(n) for n = 14309291 and 14309300.

It is not an unprimeable number, because it can be changed into a prime (14309327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 178827 + ... + 178906.

Almost surely, 214309320 is an apocalyptic number.

14309320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14309320 is an abundant number, since it is smaller than the sum of its proper divisors (17886740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

14309320 is a wasteful number, since it uses less digits than its factorization.

14309320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357744 (or 357740 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 14309320 is about 3782.7661836281. The cubic root of 14309320 is about 242.7763244015.

Adding to 14309320 its reverse (2390341), we get a palindrome (16699661).

The spelling of 14309320 in words is "fourteen million, three hundred nine thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 357733 715466 1430932 1788665 2861864 3577330 7154660 14309320