Base | Representation |
---|---|
bin | 100100111001011… |
… | …1011101000011110 |
3 | 10012021200101202100 |
4 | 1021302323220132 |
5 | 10013422310342 |
6 | 322504305530 |
7 | 42452401440 |
oct | 11162735036 |
9 | 3167611670 |
10 | 1238088222 |
11 | 585961008 |
12 | 2a67722a6 |
13 | 16966baa7 |
14 | ba606490 |
15 | 73a60e4c |
hex | 49cbba1e |
1238088222 has 96 divisors (see below), whose sum is σ = 3259077120. Its totient is φ = 331801920.
The previous prime is 1238088221. The next prime is 1238088239. The reversal of 1238088222 is 2228808321.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1238088221) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 244072 + ... + 249092.
It is an arithmetic number, because the mean of its divisors is an integer number (33948720).
Almost surely, 21238088222 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1238088222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1629538560).
1238088222 is an abundant number, since it is smaller than the sum of its proper divisors (2020988898).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1238088222 is a wasteful number, since it uses less digits than its factorization.
1238088222 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5158 (or 5155 counting only the distinct ones).
The product of its (nonzero) digits is 24576, while the sum is 36.
The square root of 1238088222 is about 35186.4778288478. The cubic root of 1238088222 is about 1073.7846649630.
The spelling of 1238088222 in words is "one billion, two hundred thirty-eight million, eighty-eight thousand, two hundred twenty-two".
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