Base | Representation |
---|---|
bin | 1000010101110001… |
… | …1110010011010000 |
3 | 12210000202112201001 |
4 | 2011130132103100 |
5 | 14041120140442 |
6 | 1010053551344 |
7 | 106323526312 |
oct | 20534362320 |
9 | 5700675631 |
10 | 2238833872 |
11 | a49844030 |
12 | 525945554 |
13 | 298aaa492 |
14 | 1734a97b2 |
15 | d183d2b7 |
hex | 8571e4d0 |
2238833872 has 120 divisors (see below), whose sum is σ = 5059185120. Its totient is φ = 950208000.
The previous prime is 2238833837. The next prime is 2238833879. The reversal of 2238833872 is 2783388322.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2238833879) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22166622 + ... + 22166722.
It is an arithmetic number, because the mean of its divisors is an integer number (42159876).
Almost surely, 22238833872 is an apocalyptic number.
2238833872 is a gapful number since it is divisible by the number (22) 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 2238833872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2529592560).
2238833872 is an abundant number, since it is smaller than the sum of its proper divisors (2820351248).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2238833872 is a wasteful number, since it uses less digits than its factorization.
2238833872 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 293 (or 186 counting only the distinct ones).
The product of its digits is 774144, while the sum is 46.
The square root of 2238833872 is about 47316.3171855122. The cubic root of 2238833872 is about 1308.1994321626.
The spelling of 2238833872 in words is "two billion, two hundred thirty-eight million, eight hundred thirty-three thousand, eight hundred seventy-two".
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