Base | Representation |
---|---|
bin | 1000011111101… |
… | …11100110111111 |
3 | 11222002211102011 |
4 | 10033313212333 |
5 | 121221100144 |
6 | 11023312051 |
7 | 1523526520 |
oct | 417674677 |
9 | 158084364 |
10 | 71268799 |
11 | 37258338 |
12 | 1ba4b627 |
13 | 119c41b4 |
14 | 9672847 |
15 | 63cba34 |
hex | 43f79bf |
71268799 has 8 divisors (see below), whose sum is σ = 81533088. Its totient is φ = 61025280.
The previous prime is 71268787. The next prime is 71268803. The reversal of 71268799 is 99786217.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-71268799 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (71268719) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3039 + ... + 12319.
It is an arithmetic number, because the mean of its divisors is an integer number (10191636).
It is a vampire number, since it can be written as 7679 ⋅ 9281 (with its own digits).
Almost surely, 271268799 is an apocalyptic number.
71268799 is a deficient number, since it is larger than the sum of its proper divisors (10264289).
71268799 is a wasteful number, since it uses less digits than its factorization.
71268799 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10385.
The product of its digits is 381024, while the sum is 49.
The square root of 71268799 is about 8442.0849912803. The cubic root of 71268799 is about 414.6036744670.
The spelling of 71268799 in words is "seventy-one million, two hundred sixty-eight thousand, seven hundred ninety-nine".
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