Base | Representation |
---|---|
bin | 11011010010010001010 |
3 | 1200102110110 |
4 | 3122102022 |
5 | 212102330 |
6 | 31055150 |
7 | 10412451 |
oct | 3322212 |
9 | 1612413 |
10 | 894090 |
11 | 56081a |
12 | 3714b6 |
13 | 253c62 |
14 | 193b98 |
15 | 129db0 |
hex | da48a |
894090 has 16 divisors (see below), whose sum is σ = 2145888. Its totient is φ = 238416.
The previous prime is 894073. The next prime is 894097. The reversal of 894090 is 90498.
It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 29803 = 894090 / (8 + 9 + 4 + 0 + 9 + 0).
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 894090.
It is not an unprimeable number, because it can be changed into a prime (894097) 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, 14872 + ... + 14931.
It is an arithmetic number, because the mean of its divisors is an integer number (134118).
2894090 is an apocalyptic number.
894090 is an abundant number, since it is smaller than the sum of its proper divisors (1251798).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
894090 is a wasteful number, since it uses less digits than its factorization.
894090 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 29813.
The product of its (nonzero) digits is 2592, while the sum is 30.
The square root of 894090 is about 945.5633241618. The cubic root of 894090 is about 96.3371392783.
The spelling of 894090 in words is "eight hundred ninety-four thousand, ninety".
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