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14203445 = 52840689
BaseRepresentation
bin110110001011…
…101000110101
3222201121110112
4312023220311
512114002240
61224232405
7231504314
oct66135065
928647415
1014203445
118021293
12490b705
132c33c09
141c5a27b
1513a8665
hexd8ba35

14203445 has 4 divisors (see below), whose sum is σ = 17044140. Its totient is φ = 11362752.

The previous prime is 14203439. The next prime is 14203457. The reversal of 14203445 is 54430241.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7349521 + 6853924 = 2711^2 + 2618^2 .

It is a cyclic number.

It is not a de Polignac number, because 14203445 - 24 = 14203429 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 14203445.

It is a congruent number.

It is an unprimeable number.

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, 1420340 + ... + 1420349.

It is an arithmetic number, because the mean of its divisors is an integer number (4261035).

Almost surely, 214203445 is an apocalyptic number.

It is an amenable number.

14203445 is a deficient number, since it is larger than the sum of its proper divisors (2840695).

14203445 is an equidigital number, since it uses as much as digits as its factorization.

14203445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2840694.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 14203445 is about 3768.7458126013. The cubic root of 14203445 is about 242.1760722600.

Adding to 14203445 its reverse (54430241), we get a palindrome (68633686).

The spelling of 14203445 in words is "fourteen million, two hundred three thousand, four hundred forty-five".

Divisors: 1 5 2840689 14203445