Base | Representation |
---|---|
bin | 110110111111… |
… | …1000101001100 |
3 | 2000020211011200 |
4 | 1231333011030 |
5 | 24340111301 |
6 | 2505545500 |
7 | 500032350 |
oct | 155770514 |
9 | 60224150 |
10 | 28832076 |
11 | 15302a69 |
12 | 97a5290 |
13 | 5c86500 |
14 | 3b87460 |
15 | 27e7c86 |
hex | 1b7f14c |
28832076 has 108 divisors (see below), whose sum is σ = 90325872. Its totient is φ = 7592832.
The previous prime is 28832071. The next prime is 28832107. The reversal of 28832076 is 67023882.
It is a happy number.
It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a self number, because there is not a number n which added to its sum of digits gives 28832076.
It is not an unprimeable number, because it can be changed into a prime (28832071) by changing a digit.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 42250 + ... + 42926.
Almost surely, 228832076 is an apocalyptic number.
28832076 is a gapful number since it is divisible by the number (26) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 28832076, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45162936).
28832076 is an abundant number, since it is smaller than the sum of its proper divisors (61493796).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28832076 is a wasteful number, since it uses less digits than its factorization.
28832076 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 720 (or 702 counting only the distinct ones).
The product of its (nonzero) digits is 32256, while the sum is 36.
The square root of 28832076 is about 5369.5508192027. The cubic root of 28832076 is about 306.6375276871.
The spelling of 28832076 in words is "twenty-eight million, eight hundred thirty-two thousand, seventy-six".
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