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28034834 = 238336599
BaseRepresentation
bin110101011110…
…0011100010010
31221202022120012
41222330130102
524134103314
62440514522
7460202132
oct152743422
957668505
1028034834
1114908a93
12947ba42
135a67679
143a1aac2
1526db93e
hex1abc712

28034834 has 8 divisors (see below), whose sum is σ = 42163200. Its totient is φ = 13980436.

The previous prime is 28034813. The next prime is 28034879. The reversal of 28034834 is 43843082.

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 28034834.

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, 17534 + ... + 19065.

It is an arithmetic number, because the mean of its divisors is an integer number (5270400).

Almost surely, 228034834 is an apocalyptic number.

28034834 is a deficient number, since it is larger than the sum of its proper divisors (14128366).

28034834 is a wasteful number, since it uses less digits than its factorization.

28034834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36984.

The product of its (nonzero) digits is 18432, while the sum is 32.

The square root of 28034834 is about 5294.7931026623. The cubic root of 28034834 is about 303.7847694566.

The spelling of 28034834 in words is "twenty-eight million, thirty-four thousand, eight hundred thirty-four".

Divisors: 1 2 383 766 36599 73198 14017417 28034834