Base | Representation |
---|---|
bin | 11011010110110… |
… | …11010000000100 |
3 | 120222211011211111 |
4 | 31223123100010 |
5 | 432222100440 |
6 | 34434414404 |
7 | 5454420055 |
oct | 1553332004 |
9 | 528734744 |
10 | 229487620 |
11 | 1085a349a |
12 | 64a31404 |
13 | 3870ccbb |
14 | 2269a72c |
15 | 152314ea |
hex | dadb404 |
229487620 has 24 divisors (see below), whose sum is σ = 488714688. Its totient is φ = 90501600.
The previous prime is 229487617. The next prime is 229487633. The reversal of 229487620 is 26784922.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79386 + ... + 82225.
It is an arithmetic number, because the mean of its divisors is an integer number (20363112).
Almost surely, 2229487620 is an apocalyptic number.
229487620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
229487620 is an abundant number, since it is smaller than the sum of its proper divisors (259227068).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
229487620 is a wasteful number, since it uses less digits than its factorization.
229487620 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 161691 (or 161689 counting only the distinct ones).
The product of its (nonzero) digits is 96768, while the sum is 40.
The square root of 229487620 is about 15148.8488011466. The cubic root of 229487620 is about 612.2372561811.
The spelling of 229487620 in words is "two hundred twenty-nine million, four hundred eighty-seven thousand, six hundred twenty".
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