Base | Representation |
---|---|
bin | 11011010100001… |
… | …11000001100111 |
3 | 120222011122121010 |
4 | 31222013001213 |
5 | 432130031011 |
6 | 34423153303 |
7 | 5451452214 |
oct | 1552070147 |
9 | 528148533 |
10 | 229142631 |
11 | 108388283 |
12 | 648a5833 |
13 | 3861bc73 |
14 | 2260ab0b |
15 | 151b41a6 |
hex | da87067 |
229142631 has 8 divisors (see below), whose sum is σ = 309826944. Its totient is φ = 150610040.
The previous prime is 229142597. The next prime is 229142633. The reversal of 229142631 is 136241922.
229142631 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 229142631 - 26 = 229142567 is a prime.
It is a super-2 number, since 2×2291426312 = 105012690683204322, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (229142633) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 537681 + ... + 538106.
It is an arithmetic number, because the mean of its divisors is an integer number (38728368).
Almost surely, 2229142631 is an apocalyptic number.
229142631 is a deficient number, since it is larger than the sum of its proper divisors (80684313).
229142631 is a wasteful number, since it uses less digits than its factorization.
229142631 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1075861.
The product of its digits is 5184, while the sum is 30.
The square root of 229142631 is about 15137.4578777283. The cubic root of 229142631 is about 611.9303099978.
The spelling of 229142631 in words is "two hundred twenty-nine million, one hundred forty-two thousand, six hundred thirty-one".
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