Base | Representation |
---|---|
bin | 1011001110000… |
… | …0000101001100 |
3 | 10021112122120110 |
4 | 2303200011030 |
5 | 44021231210 |
6 | 4400320020 |
7 | 1110651054 |
oct | 263400514 |
9 | 107478513 |
10 | 47055180 |
11 | 2461a287 |
12 | 13913010 |
13 | 9996c03 |
14 | 636c564 |
15 | 41e7420 |
hex | 2ce014c |
47055180 has 48 divisors (see below), whose sum is σ = 132066144. Its totient is φ = 12518400.
The previous prime is 47055119. The next prime is 47055181. The reversal of 47055180 is 8155074.
It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is not an unprimeable number, because it can be changed into a prime (47055181) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38580 + ... + 39780.
It is an arithmetic number, because the mean of its divisors is an integer number (2751378).
Almost surely, 247055180 is an apocalyptic number.
It is an amenable number.
47055180 is an abundant number, since it is smaller than the sum of its proper divisors (85010964).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47055180 is a wasteful number, since it uses less digits than its factorization.
47055180 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1866 (or 1864 counting only the distinct ones).
The product of its (nonzero) digits is 5600, while the sum is 30.
The square root of 47055180 is about 6859.6778350007. The cubic root of 47055180 is about 361.0237832925.
The spelling of 47055180 in words is "forty-seven million, fifty-five thousand, one hundred eighty".
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