Base | Representation |
---|---|
bin | 11011010011011… |
… | …11111000111111 |
3 | 120221222211121111 |
4 | 31221233320333 |
5 | 432114012441 |
6 | 34421142451 |
7 | 5450606023 |
oct | 1551577077 |
9 | 527884544 |
10 | 229047871 |
11 | 108323068 |
12 | 6485aa27 |
13 | 385b7ab0 |
14 | 225c4383 |
15 | 15196081 |
hex | da6fe3f |
229047871 has 16 divisors (see below), whose sum is σ = 261522688. Its totient is φ = 199065600.
The previous prime is 229047859. The next prime is 229047911. The reversal of 229047871 is 178740922.
It is a 15-Lehmer number, since φ(229047871) divides (229047871-1)15.
It is a cyclic number.
It is not a de Polignac number, because 229047871 - 27 = 229047743 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (229047571) 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, 7231 + ... + 22591.
It is an arithmetic number, because the mean of its divisors is an integer number (16345168).
Almost surely, 2229047871 is an apocalyptic number.
229047871 is a deficient number, since it is larger than the sum of its proper divisors (32474817).
229047871 is a wasteful number, since it uses less digits than its factorization.
229047871 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15442.
The product of its (nonzero) digits is 56448, while the sum is 40.
The square root of 229047871 is about 15134.3275701301. The cubic root of 229047871 is about 611.8459454966.
The spelling of 229047871 in words is "two hundred twenty-nine million, forty-seven thousand, eight hundred seventy-one".
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