Base | Representation |
---|---|
bin | 1011010001100… |
… | …1010000101000 |
3 | 10021222112211200 |
4 | 2310121100220 |
5 | 44101230014 |
6 | 4405324200 |
7 | 1112644632 |
oct | 264312050 |
9 | 107875750 |
10 | 47289384 |
11 | 2476a23a |
12 | 13a06660 |
13 | 9a496ac |
14 | 63cda52 |
15 | 4241a09 |
hex | 2d19428 |
47289384 has 48 divisors (see below), whose sum is σ = 132213120. Its totient is φ = 15253920.
The previous prime is 47289383. The next prime is 47289391. The reversal of 47289384 is 48398274.
It is not an unprimeable number, because it can be changed into a prime (47289383) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8362 + ... + 12825.
It is an arithmetic number, because the mean of its divisors is an integer number (2754440).
Almost surely, 247289384 is an apocalyptic number.
It is an amenable number.
47289384 is an abundant number, since it is smaller than the sum of its proper divisors (84923736).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47289384 is a wasteful number, since it uses less digits than its factorization.
47289384 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21230 (or 21223 counting only the distinct ones).
The product of its digits is 387072, while the sum is 45.
The square root of 47289384 is about 6876.7277101831. The cubic root of 47289384 is about 361.6217572794.
The spelling of 47289384 in words is "forty-seven million, two hundred eighty-nine thousand, three hundred eighty-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •