Base | Representation |
---|---|
bin | 11011100101011… |
… | …10001001101001 |
3 | 121010102100011220 |
4 | 31302232021221 |
5 | 433214300131 |
6 | 34543412253 |
7 | 5506603455 |
oct | 1562561151 |
9 | 533370156 |
10 | 231400041 |
11 | 10968a304 |
12 | 655b4089 |
13 | 38c2c602 |
14 | 22a37665 |
15 | 154ace96 |
hex | dcae269 |
231400041 has 4 divisors (see below), whose sum is σ = 308533392. Its totient is φ = 154266692.
The previous prime is 231400003. The next prime is 231400049. The reversal of 231400041 is 140004132.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 231400041 - 210 = 231399017 is a prime.
It is not an unprimeable number, because it can be changed into a prime (231400049) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38566671 + ... + 38566676.
It is an arithmetic number, because the mean of its divisors is an integer number (77133348).
Almost surely, 2231400041 is an apocalyptic number.
It is an amenable number.
231400041 is a deficient number, since it is larger than the sum of its proper divisors (77133351).
231400041 is an equidigital number, since it uses as much as digits as its factorization.
231400041 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 77133350.
The product of its (nonzero) digits is 96, while the sum is 15.
The square root of 231400041 is about 15211.8388434798. The cubic root of 231400041 is about 613.9332342954.
Adding to 231400041 its reverse (140004132), we get a palindrome (371404173).
The spelling of 231400041 in words is "two hundred thirty-one million, four hundred thousand, forty-one".
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