Base | Representation |
---|---|
bin | 1011010010110… |
… | …1001111011111 |
3 | 10022010201010001 |
4 | 2310231033133 |
5 | 44111334411 |
6 | 4411155131 |
7 | 1113435355 |
oct | 264551737 |
9 | 108121101 |
10 | 47371231 |
11 | 24815786 |
12 | 13a45aa7 |
13 | 9a77a1b |
14 | 64117d5 |
15 | 425adc1 |
hex | 2d2d3df |
47371231 has 8 divisors (see below), whose sum is σ = 50291280. Its totient is φ = 44466048.
The previous prime is 47371217. The next prime is 47371243. The reversal of 47371231 is 13217374.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 47371231 - 211 = 47369183 is a prime.
It is a super-2 number, since 2×473712312 = 4488067052910722, which contains 22 as substring.
It is a Duffinian number.
It is a zygodrome in base 5.
It is a self number, because there is not a number n which added to its sum of digits gives 47371231.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47371931) 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 7 ways as a sum of consecutive naturals, for example, 3240 + ... + 10258.
It is an arithmetic number, because the mean of its divisors is an integer number (6286410).
Almost surely, 247371231 is an apocalyptic number.
47371231 is a deficient number, since it is larger than the sum of its proper divisors (2920049).
47371231 is a wasteful number, since it uses less digits than its factorization.
47371231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7433.
The product of its digits is 3528, while the sum is 28.
The square root of 47371231 is about 6882.6761510331. The cubic root of 47371231 is about 361.8302649422.
The spelling of 47371231 in words is "forty-seven million, three hundred seventy-one thousand, two hundred thirty-one".
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