Base | Representation |
---|---|
bin | 1011010000101… |
… | …1000101010100 |
3 | 10021212121012000 |
4 | 2310023011110 |
5 | 44042400231 |
6 | 4404155300 |
7 | 1112313426 |
oct | 264130524 |
9 | 107777160 |
10 | 47231316 |
11 | 2472a650 |
12 | 13998b30 |
13 | 9a29132 |
14 | 63b6816 |
15 | 422e6e6 |
hex | 2d0b154 |
47231316 has 96 divisors (see below), whose sum is σ = 135475200. Its totient is φ = 14110560.
The previous prime is 47231311. The next prime is 47231333. The reversal of 47231316 is 61313274.
It is a super-2 number, since 2×472313162 = 4461594422183712, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a self number, because there is not a number n which added to its sum of digits gives 47231316.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47231311) 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 31 ways as a sum of consecutive naturals, for example, 98365 + ... + 98843.
It is an arithmetic number, because the mean of its divisors is an integer number (1411200).
Almost surely, 247231316 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 47231316, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67737600).
47231316 is an abundant number, since it is smaller than the sum of its proper divisors (88243884).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47231316 is a wasteful number, since it uses less digits than its factorization.
47231316 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 586 (or 578 counting only the distinct ones).
The product of its digits is 3024, while the sum is 27.
The square root of 47231316 is about 6872.5043470339. The cubic root of 47231316 is about 361.4736813883.
Adding to 47231316 its product of digits (3024), we get a triangular number (47234340 = T9719).
The spelling of 47231316 in words is "forty-seven million, two hundred thirty-one thousand, three hundred sixteen".
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