Base | Representation |
---|---|
bin | 1000010011001111… |
… | …1000001110001110 |
3 | 12202021201212222220 |
4 | 2010303320032032 |
5 | 14030404122032 |
6 | 1005033520210 |
7 | 106134215001 |
oct | 20463701616 |
9 | 5667655886 |
10 | 2228192142 |
11 | a43835810 |
12 | 522273066 |
13 | 2968227b7 |
14 | 171cd9538 |
15 | d093a12c |
hex | 84cf838e |
2228192142 has 64 divisors (see below), whose sum is σ = 5154969600. Its totient is φ = 634567680.
The previous prime is 2228192129. The next prime is 2228192147. The reversal of 2228192142 is 2412918222.
It is a Harshad number since it is a multiple of its sum of digits (33).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2228192147) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1265859 + ... + 1267617.
It is an arithmetic number, because the mean of its divisors is an integer number (80546400).
Almost surely, 22228192142 is an apocalyptic number.
2228192142 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 2228192142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2577484800).
2228192142 is an abundant number, since it is smaller than the sum of its proper divisors (2926777458).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2228192142 is a wasteful number, since it uses less digits than its factorization.
2228192142 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2921.
The product of its digits is 9216, while the sum is 33.
The square root of 2228192142 is about 47203.7301704007. The cubic root of 2228192142 is about 1306.1234077941.
The spelling of 2228192142 in words is "two billion, two hundred twenty-eight million, one hundred ninety-two thousand, one hundred forty-two".
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