Search a number
-
+
28323792 = 2432728099
BaseRepresentation
bin110110000001…
…0111111010000
31222021222221100
41230002333100
524222330132
62451024400
7462514440
oct154027720
958258840
1028323792
1114a960a2
12959b100
135b39053
143a94120
15274737c
hex1b02fd0

28323792 has 60 divisors (see below), whose sum is σ = 90594400. Its totient is φ = 8092224.

The previous prime is 28323767. The next prime is 28323797. The reversal of 28323792 is 29732382.

28323792 is a `hidden beast` number, since 283 + 2 + 379 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28323797) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13042 + ... + 15057.

Almost surely, 228323792 is an apocalyptic number.

It is an amenable number.

28323792 is an abundant number, since it is smaller than the sum of its proper divisors (62270608).

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

28323792 is a wasteful number, since it uses less digits than its factorization.

28323792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28120 (or 28111 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 28323792 is about 5322.0101465518. The cubic root of 28323792 is about 304.8249178794.

The spelling of 28323792 in words is "twenty-eight million, three hundred twenty-three thousand, seven hundred ninety-two".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 36 42 48 56 63 72 84 112 126 144 168 252 336 504 1008 28099 56198 84297 112396 168594 196693 224792 252891 337188 393386 449584 505782 590079 674376 786772 1011564 1180158 1348752 1573544 1770237 2023128 2360316 3147088 3540474 4046256 4720632 7080948 9441264 14161896 28323792