Search a number
-
+
28344883 = 72578467
BaseRepresentation
bin110110000100…
…0001000110011
31222100001212111
41230020020303
524224014013
62451310151
7462633100
oct154101063
958301774
1028344883
1114aaaa26
1295ab357
135b45828
143a9baa7
15274d73d
hex1b08233

28344883 has 6 divisors (see below), whose sum is σ = 32972676. Its totient is φ = 24295572.

The previous prime is 28344871. The next prime is 28344907. The reversal of 28344883 is 38844382.

It is not a de Polignac number, because 28344883 - 213 = 28336691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28344383) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 289185 + ... + 289282.

It is an arithmetic number, because the mean of its divisors is an integer number (5495446).

Almost surely, 228344883 is an apocalyptic number.

28344883 is a deficient number, since it is larger than the sum of its proper divisors (4627793).

28344883 is an equidigital number, since it uses as much as digits as its factorization.

28344883 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 578481 (or 578474 counting only the distinct ones).

The product of its digits is 147456, while the sum is 40.

The square root of 28344883 is about 5323.9912659583. The cubic root of 28344883 is about 304.9005606138.

The spelling of 28344883 in words is "twenty-eight million, three hundred forty-four thousand, eight hundred eighty-three".

Divisors: 1 7 49 578467 4049269 28344883