Base | Representation |
---|---|
bin | 1011010100000… |
… | …0010011010001 |
3 | 10022021200012101 |
4 | 2311000103101 |
5 | 44121334142 |
6 | 4413000401 |
7 | 1114212100 |
oct | 265002321 |
9 | 108250171 |
10 | 47449297 |
11 | 248693a5 |
12 | 13a83101 |
13 | 9aa440c |
14 | 6432037 |
15 | 42740b7 |
hex | 2d404d1 |
47449297 has 6 divisors (see below), whose sum is σ = 55196178. Its totient is φ = 40670784.
The previous prime is 47449279. The next prime is 47449301. The reversal of 47449297 is 79294474.
It can be written as a sum of positive squares in only one way, i.e., 45914176 + 1535121 = 6776^2 + 1239^2 .
It is not a de Polignac number, because 47449297 - 27 = 47449169 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (47449247) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 484128 + ... + 484225.
It is an arithmetic number, because the mean of its divisors is an integer number (9199363).
Almost surely, 247449297 is an apocalyptic number.
It is an amenable number.
47449297 is a deficient number, since it is larger than the sum of its proper divisors (7746881).
47449297 is an equidigital number, since it uses as much as digits as its factorization.
47449297 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 968367 (or 968360 counting only the distinct ones).
The product of its digits is 508032, while the sum is 46.
The square root of 47449297 is about 6888.3450116846. The cubic root of 47449297 is about 362.0289167300.
It can be divided in two parts, 4744 and 9297, that added together give a palindrome (14041).
The spelling of 47449297 in words is "forty-seven million, four hundred forty-nine thousand, two hundred ninety-seven".
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