Base | Representation |
---|---|
bin | 100100100111001… |
… | …0101010000011000 |
3 | 10011121121221202011 |
4 | 1021032111100120 |
5 | 10003443300343 |
6 | 321522515304 |
7 | 42305011501 |
oct | 11116252030 |
9 | 3147557664 |
10 | 1228493848 |
11 | 5804a867a |
12 | 2a3505b34 |
13 | 16768ca4a |
14 | b9229ba8 |
15 | 72cb829d |
hex | 49395418 |
1228493848 has 32 divisors (see below), whose sum is σ = 2544968160. Its totient is φ = 552977920.
The previous prime is 1228493821. The next prime is 1228493863. The reversal of 1228493848 is 8483948221.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 193243 + ... + 199498.
It is an arithmetic number, because the mean of its divisors is an integer number (79530255).
Almost surely, 21228493848 is an apocalyptic number.
It is an amenable number.
1228493848 is an abundant number, since it is smaller than the sum of its proper divisors (1316474312).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1228493848 is a wasteful number, since it uses less digits than its factorization.
1228493848 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 392787 (or 392783 counting only the distinct ones).
The product of its digits is 884736, while the sum is 49.
The square root of 1228493848 is about 35049.8765761022. The cubic root of 1228493848 is about 1071.0037595153.
The spelling of 1228493848 in words is "one billion, two hundred twenty-eight million, four hundred ninety-three thousand, eight hundred forty-eight".
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