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14343220 = 225717161
BaseRepresentation
bin110110101101…
…110000110100
3222222201012101
4312231300310
512132440340
61231231444
7232625653
oct66556064
928881171
1014343220
118107301
124978584
132c82718
141c9519a
1513d4c9a
hexdadc34

14343220 has 12 divisors (see below), whose sum is σ = 30120804. Its totient is φ = 5737280.

The previous prime is 14343211. The next prime is 14343227. The reversal of 14343220 is 2234341.

It can be written as a sum of positive squares in 2 ways, for example, as 10679824 + 3663396 = 3268^2 + 1914^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14343227) 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, 358561 + ... + 358600.

It is an arithmetic number, because the mean of its divisors is an integer number (2510067).

Almost surely, 214343220 is an apocalyptic number.

14343220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14343220 is an abundant number, since it is smaller than the sum of its proper divisors (15777584).

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

14343220 is a wasteful number, since it uses less digits than its factorization.

14343220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 717170 (or 717168 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 14343220 is about 3787.2443808130. The cubic root of 14343220 is about 242.9678924764.

Adding to 14343220 its reverse (2234341), we get a palindrome (16577561).

The spelling of 14343220 in words is "fourteen million, three hundred forty-three thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 717161 1434322 2868644 3585805 7171610 14343220