Search a number
-
+
28832568 = 2336591823
BaseRepresentation
bin110110111111…
…1001100111000
32000020211211220
41231333030320
524340120233
62505552040
7500033652
oct155771470
960224756
1028832568
1115303376
1297a5620
135c867bb
143b876d2
1527e7eb3
hex1b7f338

28832568 has 32 divisors (see below), whose sum is σ = 72230400. Its totient is φ = 9591008.

The previous prime is 28832549. The next prime is 28832569. The reversal of 28832568 is 86523882.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28832569) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14905 + ... + 16727.

It is an arithmetic number, because the mean of its divisors is an integer number (2257200).

Almost surely, 228832568 is an apocalyptic number.

It is an amenable number.

28832568 is an abundant number, since it is smaller than the sum of its proper divisors (43397832).

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

28832568 is a wasteful number, since it uses less digits than its factorization.

28832568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2491 (or 2487 counting only the distinct ones).

The product of its digits is 184320, while the sum is 42.

The square root of 28832568 is about 5369.5966328952. The cubic root of 28832568 is about 306.6392718650.

The spelling of 28832568 in words is "twenty-eight million, eight hundred thirty-two thousand, five hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 24 659 1318 1823 1977 2636 3646 3954 5272 5469 7292 7908 10938 14584 15816 21876 43752 1201357 2402714 3604071 4805428 7208142 9610856 14416284 28832568