Base | Representation |
---|---|
bin | 1011001101110… |
… | …1011001000000 |
3 | 10021112002110022 |
4 | 2303131121000 |
5 | 44020403120 |
6 | 4400153012 |
7 | 1110603662 |
oct | 263353100 |
9 | 107462408 |
10 | 47044160 |
11 | 24611a79 |
12 | 13908768 |
13 | 9991ba7 |
14 | 6368532 |
15 | 41e4025 |
hex | 2cdd640 |
47044160 has 56 divisors (see below), whose sum is σ = 113102136. Its totient is φ = 18636800.
The previous prime is 47044147. The next prime is 47044163. The reversal of 47044160 is 6144074.
It can be written as a sum of positive squares in 4 ways, for example, as 6390784 + 40653376 = 2528^2 + 6376^2 .
It is not an unprimeable number, because it can be changed into a prime (47044163) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35510 + ... + 36810.
It is an arithmetic number, because the mean of its divisors is an integer number (2019681).
Almost surely, 247044160 is an apocalyptic number.
47044160 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 47044160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56551068).
47044160 is an abundant number, since it is smaller than the sum of its proper divisors (66057976).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47044160 is a wasteful number, since it uses less digits than its factorization.
47044160 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1431 (or 1421 counting only the distinct ones).
The product of its (nonzero) digits is 2688, while the sum is 26.
The square root of 47044160 is about 6858.8745432469. The cubic root of 47044160 is about 360.9955979952.
The spelling of 47044160 in words is "forty-seven million, forty-four thousand, one hundred sixty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •