Base | Representation |
---|---|
bin | 1000100000100… |
… | …11110100110001 |
3 | 11222022200221112 |
4 | 10100103310301 |
5 | 121233244434 |
6 | 11030003105 |
7 | 1524520460 |
oct | 420236461 |
9 | 158280845 |
10 | 71384369 |
11 | 37327151 |
12 | 1baa6495 |
13 | 11a34994 |
14 | 96a29d7 |
15 | 6400dce |
hex | 4413d31 |
71384369 has 8 divisors (see below), whose sum is σ = 81681600. Its totient is φ = 61112016.
The previous prime is 71384363. The next prime is 71384371. The reversal of 71384369 is 96348317.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 71384369 - 24 = 71384353 is a prime.
It is a super-2 number, since 2×713843692 = 10191456275056322, which contains 22 as substring.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (71384363) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 407 + ... + 11955.
It is an arithmetic number, because the mean of its divisors is an integer number (10210200).
Almost surely, 271384369 is an apocalyptic number.
It is an amenable number.
71384369 is a deficient number, since it is larger than the sum of its proper divisors (10297231).
71384369 is a wasteful number, since it uses less digits than its factorization.
71384369 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12439.
The product of its digits is 108864, while the sum is 41.
The square root of 71384369 is about 8448.9270916490. The cubic root of 71384369 is about 414.8276615434.
The spelling of 71384369 in words is "seventy-one million, three hundred eighty-four thousand, three hundred sixty-nine".
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