Base | Representation |
---|---|
bin | 11011010011100… |
… | …10101010010100 |
3 | 120222000102011211 |
4 | 31221302222110 |
5 | 432114343340 |
6 | 34421311204 |
7 | 5450654065 |
oct | 1551625224 |
9 | 528012154 |
10 | 229059220 |
11 | 108330645 |
12 | 64865504 |
13 | 385c0000 |
14 | 225c856c |
15 | 151995ea |
hex | da72a94 |
229059220 has 60 divisors (see below), whose sum is σ = 522407844. Its totient is φ = 84364800.
The previous prime is 229059203. The next prime is 229059263. The reversal of 229059220 is 22950922.
It is a happy number.
229059220 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 10 ways, for example, as 212051844 + 17007376 = 14562^2 + 4124^2 .
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 571020 + ... + 571420.
Almost surely, 2229059220 is an apocalyptic number.
229059220 is a gapful number since it is divisible by the number (20) 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 229059220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (261203922).
229059220 is an abundant number, since it is smaller than the sum of its proper divisors (293348624).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
229059220 is an equidigital number, since it uses as much as digits as its factorization.
229059220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 462 (or 421 counting only the distinct ones).
The product of its (nonzero) digits is 6480, while the sum is 31.
The square root of 229059220 is about 15134.7025078130. The cubic root of 229059220 is about 611.8560506985.
The spelling of 229059220 in words is "two hundred twenty-nine million, fifty-nine thousand, two hundred twenty".
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