Base | Representation |
---|---|
bin | 110101101010… |
… | …0110110001000 |
3 | 1221221101200100 |
4 | 1223110312020 |
5 | 24200303132 |
6 | 2443005400 |
7 | 461066430 |
oct | 153246610 |
9 | 57841610 |
10 | 28134792 |
11 | 149770a4 |
12 | 9509860 |
13 | 5aa100a |
14 | 3a452c0 |
15 | 270b37c |
hex | 1ad4d88 |
28134792 has 48 divisors (see below), whose sum is σ = 87085440. Its totient is φ = 8038368.
The previous prime is 28134787. The next prime is 28134793. The reversal of 28134792 is 29743182.
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 not an unprimeable number, because it can be changed into a prime (28134793) 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, 27408 + ... + 28415.
It is an arithmetic number, because the mean of its divisors is an integer number (1814280).
Almost surely, 228134792 is an apocalyptic number.
It is an amenable number.
28134792 is an abundant number, since it is smaller than the sum of its proper divisors (58950648).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28134792 is a wasteful number, since it uses less digits than its factorization.
28134792 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 55842 (or 55835 counting only the distinct ones).
The product of its digits is 24192, while the sum is 36.
The square root of 28134792 is about 5304.2239771714. The cubic root of 28134792 is about 304.1453886744.
The spelling of 28134792 in words is "twenty-eight million, one hundred thirty-four thousand, seven hundred ninety-two".
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