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28522834 = 229491773
BaseRepresentation
bin110110011001…
…1100101010010
31222200002222021
41230303211102
524300212314
62455202054
7464303644
oct154634522
958602867
1028522834
111511169a
12967632a
135ba8822
143b06894
152786324
hex1b33952

28522834 has 8 divisors (see below), whose sum is σ = 44259660. Its totient is φ = 13769616.

The previous prime is 28522831. The next prime is 28522847. The reversal of 28522834 is 43822582.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 28037025 + 485809 = 5295^2 + 697^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 28522834.

It is not an unprimeable number, because it can be changed into a prime (28522831) 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, 245829 + ... + 245944.

Almost surely, 228522834 is an apocalyptic number.

28522834 is a deficient number, since it is larger than the sum of its proper divisors (15736826).

28522834 is a wasteful number, since it uses less digits than its factorization.

28522834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491804.

The product of its digits is 30720, while the sum is 34.

The square root of 28522834 is about 5340.6772978715. The cubic root of 28522834 is about 305.5372917691.

The spelling of 28522834 in words is "twenty-eight million, five hundred twenty-two thousand, eight hundred thirty-four".

Divisors: 1 2 29 58 491773 983546 14261417 28522834