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28229182 = 285316547
BaseRepresentation
bin110101110101…
…1111000111110
31222010012011021
41223223320332
524211313212
62445014354
7461641552
oct153537076
958105137
1028229182
1114a31003
1295543ba
135b04c77
143a6b862
152729307
hex1aebe3e

28229182 has 8 divisors (see below), whose sum is σ = 42395976. Its totient is φ = 14097192.

The previous prime is 28229171. The next prime is 28229183. The reversal of 28229182 is 28192282.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28229183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6568 + ... + 9979.

It is an arithmetic number, because the mean of its divisors is an integer number (5299497).

Almost surely, 228229182 is an apocalyptic number.

28229182 is a deficient number, since it is larger than the sum of its proper divisors (14166794).

28229182 is a wasteful number, since it uses less digits than its factorization.

28229182 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17402.

The product of its digits is 9216, while the sum is 34.

The square root of 28229182 is about 5313.1141527357. The cubic root of 28229182 is about 304.4851369153.

The spelling of 28229182 in words is "twenty-eight million, two hundred twenty-nine thousand, one hundred eighty-two".

Divisors: 1 2 853 1706 16547 33094 14114591 28229182