Base | Representation |
---|---|
bin | 1000010011010101… |
… | …0101111010010000 |
3 | 12202022110101101201 |
4 | 2010311111322100 |
5 | 14031003412023 |
6 | 1005050040544 |
7 | 106140403540 |
oct | 20465257220 |
9 | 5668411351 |
10 | 2228575888 |
11 | a43a78060 |
12 | 522419154 |
13 | 296928376 |
14 | 171d99320 |
15 | d09b3bad |
hex | 84d55e90 |
2228575888 has 80 divisors (see below), whose sum is σ = 5398511616. Its totient is φ = 865825920.
The previous prime is 2228575801. The next prime is 2228575889. The reversal of 2228575888 is 8885758222.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (2228575889) 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, 469495 + ... + 474217.
Almost surely, 22228575888 is an apocalyptic number.
2228575888 is a gapful number since it is divisible by the number (28) 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 2228575888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2699255808).
2228575888 is an abundant number, since it is smaller than the sum of its proper divisors (3169935728).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2228575888 is a wasteful number, since it uses less digits than its factorization.
2228575888 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5132 (or 5126 counting only the distinct ones).
The product of its digits is 5734400, while the sum is 55.
The square root of 2228575888 is about 47207.7947800996. The cubic root of 2228575888 is about 1306.1983849999.
The spelling of 2228575888 in words is "two billion, two hundred twenty-eight million, five hundred seventy-five thousand, eight hundred eighty-eight".
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