Base | Representation |
---|---|
bin | 100001010110… |
… | …010010001100 |
3 | 121110010210211 |
4 | 201112102030 |
5 | 4214221103 |
6 | 511212204 |
7 | 134206651 |
oct | 41262214 |
9 | 17403724 |
10 | 8742028 |
11 | 4a31019 |
12 | 2b17064 |
13 | 1a710c9 |
14 | 1237c28 |
15 | b7a36d |
hex | 85648c |
8742028 has 12 divisors (see below), whose sum is σ = 15456952. Its totient is φ = 4325760.
The previous prime is 8742011. The next prime is 8742037. The reversal of 8742028 is 8202478.
It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.
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, 10878 + ... + 11653.
Almost surely, 28742028 is an apocalyptic number.
It is an amenable number.
8742028 is a deficient number, since it is larger than the sum of its proper divisors (6714924).
8742028 is a wasteful number, since it uses less digits than its factorization.
8742028 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22632 (or 22630 counting only the distinct ones).
The product of its (nonzero) digits is 7168, while the sum is 31.
The square root of 8742028 is about 2956.6920705410. The cubic root of 8742028 is about 206.0016652393.
The spelling of 8742028 in words is "eight million, seven hundred forty-two thousand, twenty-eight".
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