Base | Representation |
---|---|
bin | 11011100011111… |
… | …01010100101010 |
3 | 121010001011211112 |
4 | 31301331110222 |
5 | 433141400132 |
6 | 34535230322 |
7 | 5505111413 |
oct | 1561752452 |
9 | 533034745 |
10 | 231200042 |
11 | 109563017 |
12 | 655183a2 |
13 | 38b8c578 |
14 | 229c480a |
15 | 1546dab2 |
hex | dc7d52a |
231200042 has 8 divisors (see below), whose sum is σ = 346865376. Its totient is φ = 115578252.
The previous prime is 231200023. The next prime is 231200089. The reversal of 231200042 is 240002132.
It is a sphenic number, since it is the product of 3 distinct primes.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12083 + ... + 24665.
It is an arithmetic number, because the mean of its divisors is an integer number (43358172).
Almost surely, 2231200042 is an apocalyptic number.
231200042 is a deficient number, since it is larger than the sum of its proper divisors (115665334).
231200042 is a wasteful number, since it uses less digits than its factorization.
231200042 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21772.
The product of its (nonzero) digits is 96, while the sum is 14.
The square root of 231200042 is about 15205.2636280993. The cubic root of 231200042 is about 613.7563091977.
Adding to 231200042 its reverse (240002132), we get a palindrome (471202174).
The spelling of 231200042 in words is "two hundred thirty-one million, two hundred thousand, forty-two".
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