Base | Representation |
---|---|
bin | 1011010000100… |
… | …0011100000000 |
3 | 10021212001022200 |
4 | 2310020130000 |
5 | 44042023410 |
6 | 4404033200 |
7 | 1112240016 |
oct | 264103400 |
9 | 107761280 |
10 | 47220480 |
11 | 2472249a |
12 | 13992800 |
13 | 9a24218 |
14 | 63b28b6 |
15 | 422b3c0 |
hex | 2d08700 |
47220480 has 108 divisors (see below), whose sum is σ = 163417800. Its totient is φ = 12589056.
The previous prime is 47220451. The next prime is 47220517. The reversal of 47220480 is 8402274.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9471 + ... + 13569.
Almost surely, 247220480 is an apocalyptic number.
47220480 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 47220480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81708900).
47220480 is an abundant number, since it is smaller than the sum of its proper divisors (116197320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47220480 is a wasteful number, since it uses less digits than its factorization.
47220480 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4126 (or 4109 counting only the distinct ones).
The product of its (nonzero) digits is 3584, while the sum is 27.
The square root of 47220480 is about 6871.7159429068. The cubic root of 47220480 is about 361.4460356882.
The spelling of 47220480 in words is "forty-seven million, two hundred twenty thousand, four hundred eighty".
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