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28343326 = 2111967807
BaseRepresentation
bin110110000011…
…1110000011110
31222022222201211
41230013300132
524223441301
62451255034
7462625414
oct154076036
958288654
1028343326
1114aa9840
1295aa47a
135b44bcb
143a9b2b4
15274d051
hex1b07c1e

28343326 has 16 divisors (see below), whose sum is σ = 48821760. Its totient is φ = 12205080.

The previous prime is 28343323. The next prime is 28343339. The reversal of 28343326 is 62334382.

It is a super-3 number, since 3×283433263 (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28343323) 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 7 ways as a sum of consecutive naturals, for example, 33486 + ... + 34321.

It is an arithmetic number, because the mean of its divisors is an integer number (3051360).

Almost surely, 228343326 is an apocalyptic number.

28343326 is a deficient number, since it is larger than the sum of its proper divisors (20478434).

28343326 is a wasteful number, since it uses less digits than its factorization.

28343326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67839.

The product of its digits is 20736, while the sum is 31.

The square root of 28343326 is about 5323.8450390672. The cubic root of 28343326 is about 304.8949777264.

The spelling of 28343326 in words is "twenty-eight million, three hundred forty-three thousand, three hundred twenty-six".

Divisors: 1 2 11 19 22 38 209 418 67807 135614 745877 1288333 1491754 2576666 14171663 28343326