Search a number
-
+
28343848 = 2313272537
BaseRepresentation
bin110110000011…
…1111000101000
31222100000110011
41230013320220
524224000343
62451301304
7462630061
oct154077050
958300404
1028343848
1114aaa175
1295aa834
135b45210
143a9b568
15274d29d
hex1b07e28

28343848 has 16 divisors (see below), whose sum is σ = 57232980. Its totient is φ = 13081728.

The previous prime is 28343831. The next prime is 28343863. The reversal of 28343848 is 84834382.

It can be written as a sum of positive squares in 2 ways, for example, as 28323684 + 20164 = 5322^2 + 142^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 28343848.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 136165 + ... + 136372.

Almost surely, 228343848 is an apocalyptic number.

It is an amenable number.

28343848 is an abundant number, since it is smaller than the sum of its proper divisors (28889132).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28343848 is a wasteful number, since it uses less digits than its factorization.

28343848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272556 (or 272552 counting only the distinct ones).

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

The square root of 28343848 is about 5323.8940635591. The cubic root of 28343848 is about 304.8968494687.

The spelling of 28343848 in words is "twenty-eight million, three hundred forty-three thousand, eight hundred forty-eight".

Divisors: 1 2 4 8 13 26 52 104 272537 545074 1090148 2180296 3542981 7085962 14171924 28343848