Base | Representation |
---|---|
bin | 11011010110010… |
… | …11000110101111 |
3 | 120222200211010010 |
4 | 31223023012233 |
5 | 432212441422 |
6 | 34433144303 |
7 | 5454023211 |
oct | 1553130657 |
9 | 528624103 |
10 | 229421487 |
11 | 108558839 |
12 | 649bb093 |
13 | 386b8b79 |
14 | 226805b1 |
15 | 1521bb0c |
hex | dacb1af |
229421487 has 8 divisors (see below), whose sum is σ = 305992960. Its totient is φ = 152898840.
The previous prime is 229421473. The next prime is 229421513. The reversal of 229421487 is 784124922.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 229421487 - 210 = 229420463 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 (229423487) 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 7 ways as a sum of consecutive naturals, for example, 714 + ... + 21432.
It is an arithmetic number, because the mean of its divisors is an integer number (38249120).
Almost surely, 2229421487 is an apocalyptic number.
229421487 is a deficient number, since it is larger than the sum of its proper divisors (76571473).
229421487 is a wasteful number, since it uses less digits than its factorization.
229421487 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 24413.
The product of its digits is 64512, while the sum is 39.
The square root of 229421487 is about 15146.6658707453. The cubic root of 229421487 is about 612.1784396802.
The spelling of 229421487 in words is "two hundred twenty-nine million, four hundred twenty-one thousand, four hundred eighty-seven".
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