Base | Representation |
---|---|
bin | 100101100010011011111 |
3 | 2022111022022 |
4 | 10230103133 |
5 | 303330142 |
6 | 42210355 |
7 | 13312100 |
oct | 4542337 |
9 | 2274268 |
10 | 1230047 |
11 | 770175 |
12 | 4b39bb |
13 | 340b50 |
14 | 2403a7 |
15 | 1946d2 |
hex | 12c4df |
1230047 has 12 divisors (see below), whose sum is σ = 1541736. Its totient is φ = 972720.
The previous prime is 1230029. The next prime is 1230067. The reversal of 1230047 is 7400321.
It is a happy number.
It is not a de Polignac number, because 1230047 - 210 = 1229023 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1230067) 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, 329 + ... + 1602.
It is an arithmetic number, because the mean of its divisors is an integer number (128478).
21230047 is an apocalyptic number.
1230047 is a deficient number, since it is larger than the sum of its proper divisors (311689).
1230047 is a wasteful number, since it uses less digits than its factorization.
1230047 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1958 (or 1951 counting only the distinct ones).
The product of its (nonzero) digits is 168, while the sum is 17.
The square root of 1230047 is about 1109.0748396749. The cubic root of 1230047 is about 107.1454916601.
Adding to 1230047 its reverse (7400321), we get a palindrome (8630368).
The spelling of 1230047 in words is "one million, two hundred thirty thousand, forty-seven".
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