Base | Representation |
---|---|
bin | 1000100000100… |
… | …11010011010110 |
3 | 11222022121000022 |
4 | 10100103103112 |
5 | 121233212410 |
6 | 11025545142 |
7 | 1524511313 |
oct | 420232326 |
9 | 158277008 |
10 | 71382230 |
11 | 37325587 |
12 | 1baa51b2 |
13 | 11a33a0a |
14 | 96a1d0a |
15 | 6400455 |
hex | 44134d6 |
71382230 has 32 divisors (see below), whose sum is σ = 132608448. Its totient is φ = 27648000.
The previous prime is 71382229. The next prime is 71382251. The reversal of 71382230 is 3228317.
It is a self number, because there is not a number n which added to its sum of digits gives 71382230.
It is a congruent number.
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 61334 + ... + 62486.
It is an arithmetic number, because the mean of its divisors is an integer number (4144014).
Almost surely, 271382230 is an apocalyptic number.
71382230 is a deficient number, since it is larger than the sum of its proper divisors (61226218).
71382230 is a wasteful number, since it uses less digits than its factorization.
71382230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1352.
The product of its (nonzero) digits is 2016, while the sum is 26.
The square root of 71382230 is about 8448.8005065808. The cubic root of 71382230 is about 414.8235181282.
The spelling of 71382230 in words is "seventy-one million, three hundred eighty-two thousand, two hundred thirty".
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