Base | Representation |
---|---|
bin | 11001010101011000011 |
3 | 1120011202012 |
4 | 3022223003 |
5 | 203031042 |
6 | 25443135 |
7 | 10025153 |
oct | 3125303 |
9 | 1504665 |
10 | 830147 |
11 | 51777a |
12 | 3404ab |
13 | 230b16 |
14 | 178763 |
15 | 115e82 |
hex | caac3 |
830147 has 4 divisors (see below), whose sum is σ = 836616. Its totient is φ = 823680.
The previous prime is 830143. The next prime is 830153. The reversal of 830147 is 741038.
It is a happy number.
830147 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 830147 - 22 = 830143 is a prime.
It is an alternating number because its digits alternate between even and odd.
It is a Duffinian number.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 830147.
It is not an unprimeable number, because it can be changed into a prime (830143) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3038 + ... + 3299.
It is an arithmetic number, because the mean of its divisors is an integer number (209154).
2830147 is an apocalyptic number.
830147 is a deficient number, since it is larger than the sum of its proper divisors (6469).
830147 is a wasteful number, since it uses less digits than its factorization.
830147 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6468.
The product of its (nonzero) digits is 672, while the sum is 23.
The square root of 830147 is about 911.1240310737. The cubic root of 830147 is about 93.9835115187.
The spelling of 830147 in words is "eight hundred thirty thousand, one hundred forty-seven".
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