Base | Representation |
---|---|
bin | 110001011110001… |
… | …101000010110010 |
3 | 2010211210102210000 |
4 | 301132031002302 |
5 | 3144440020310 |
6 | 214205450430 |
7 | 26365615644 |
oct | 6136150262 |
9 | 2124712700 |
10 | 830001330 |
11 | 396572314 |
12 | 1b1b70a16 |
13 | 102c58662 |
14 | 7c338894 |
15 | 4cd014c0 |
hex | 3178d0b2 |
830001330 has 40 divisors (see below), whose sum is σ = 2231783532. Its totient is φ = 221333472.
The previous prime is 830001329. The next prime is 830001331. The reversal of 830001330 is 33100038.
It is an interprime number because it is at equal distance from previous prime (830001329) and next prime (830001331).
It can be written as a sum of positive squares in 2 ways, for example, as 829958481 + 42849 = 28809^2 + 207^2 .
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (830001331) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 511537 + ... + 513156.
Almost surely, 2830001330 is an apocalyptic number.
830001330 is an abundant number, since it is smaller than the sum of its proper divisors (1401782202).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
830001330 is a wasteful number, since it uses less digits than its factorization.
830001330 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1024712 (or 1024703 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
The square root of 830001330 is about 28809.7436642536. The cubic root of 830001330 is about 939.7801394657.
Adding to 830001330 its reverse (33100038), we get a palindrome (863101368).
The spelling of 830001330 in words is "eight hundred thirty million, one thousand, three hundred thirty".
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