Base | Representation |
---|---|
bin | 1011010000100… |
… | …1000001100000 |
3 | 10021212011121120 |
4 | 2310021001200 |
5 | 44042113010 |
6 | 4404052240 |
7 | 1112250015 |
oct | 264110140 |
9 | 107764546 |
10 | 47222880 |
11 | 24724281 |
12 | 13994080 |
13 | 9a25343 |
14 | 63b370c |
15 | 422be70 |
hex | 2d09060 |
47222880 has 96 divisors (see below), whose sum is σ = 150087168. Its totient is φ = 12480000.
The previous prime is 47222869. The next prime is 47222911. The reversal of 47222880 is 8822274.
It is a tau number, because it is divible by the number of its divisors (96).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62505 + ... + 63255.
It is an arithmetic number, because the mean of its divisors is an integer number (1563408).
Almost surely, 247222880 is an apocalyptic number.
47222880 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 47222880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75043584).
47222880 is an abundant number, since it is smaller than the sum of its proper divisors (102864288).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47222880 is a wasteful number, since it uses less digits than its factorization.
47222880 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 900 (or 892 counting only the distinct ones).
The product of its (nonzero) digits is 14336, while the sum is 33.
The square root of 47222880 is about 6871.8905695594. The cubic root of 47222880 is about 361.4521591314.
The spelling of 47222880 in words is "forty-seven million, two hundred twenty-two thousand, eight hundred eighty".
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