Base | Representation |
---|---|
bin | 1100100110000… |
… | …1111100111001 |
3 | 10200102001011000 |
4 | 3021201330321 |
5 | 102011030014 |
6 | 5124155213 |
7 | 1211022231 |
oct | 311417471 |
9 | 120361130 |
10 | 52830009 |
11 | 27903a71 |
12 | 15838b09 |
13 | ac3957b |
14 | 7032cc1 |
15 | 4988509 |
hex | 3261f39 |
52830009 has 8 divisors (see below), whose sum is σ = 78266720. Its totient is φ = 35219988.
The previous prime is 52829993. The next prime is 52830031. The reversal of 52830009 is 90003825.
It is not a de Polignac number, because 52830009 - 24 = 52829993 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 1956667 = 52830009 / (5 + 2 + 8 + 3 + 0 + 0 + 0 + 9).
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (52830049) 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, 978307 + ... + 978360.
It is an arithmetic number, because the mean of its divisors is an integer number (9783340).
Almost surely, 252830009 is an apocalyptic number.
It is an amenable number.
52830009 is a deficient number, since it is larger than the sum of its proper divisors (25436711).
52830009 is a wasteful number, since it uses less digits than its factorization.
52830009 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1956676 (or 1956670 counting only the distinct ones).
The product of its (nonzero) digits is 2160, while the sum is 27.
The square root of 52830009 is about 7268.4254828677. The cubic root of 52830009 is about 375.2265511047.
The spelling of 52830009 in words is "fifty-two million, eight hundred thirty thousand, nine".
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