Base | Representation |
---|---|
bin | 10000001111001… |
… | …111011110010111 |
3 | 200222121221002000 |
4 | 100033033132113 |
5 | 1024220242444 |
6 | 43011050343 |
7 | 6515424321 |
oct | 2017173627 |
9 | 628557060 |
10 | 272430999 |
11 | 12a864495 |
12 | 772a09b3 |
13 | 44597499 |
14 | 28278611 |
15 | 18db5469 |
hex | 103cf797 |
272430999 has 16 divisors (see below), whose sum is σ = 407766240. Its totient is φ = 179746560.
The previous prime is 272430989. The next prime is 272431013. The reversal of 272430999 is 999034272.
It is not a de Polignac number, because 272430999 - 228 = 3995543 is a prime.
It is a super-2 number, since 2×2724309992 = 148437298432276002, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (272430989) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49392 + ... + 54629.
It is an arithmetic number, because the mean of its divisors is an integer number (25485390).
Almost surely, 2272430999 is an apocalyptic number.
272430999 is a deficient number, since it is larger than the sum of its proper divisors (135335241).
272430999 is a wasteful number, since it uses less digits than its factorization.
272430999 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 104127 (or 104121 counting only the distinct ones).
The product of its (nonzero) digits is 244944, while the sum is 45.
The square root of 272430999 is about 16505.4839068717. The cubic root of 272430999 is about 648.2644025610.
The spelling of 272430999 in words is "two hundred seventy-two million, four hundred thirty thousand, nine hundred ninety-nine".
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