Base | Representation |
---|---|
bin | 11011100101000… |
… | …00100001001001 |
3 | 121010022111120202 |
4 | 31302200201021 |
5 | 433211003301 |
6 | 34542301545 |
7 | 5506251614 |
oct | 1562404111 |
9 | 533274522 |
10 | 231344201 |
11 | 109651360 |
12 | 655878b5 |
13 | 38c1007a |
14 | 22a2117b |
15 | 1549b66b |
hex | dca0849 |
231344201 has 4 divisors (see below), whose sum is σ = 252375504. Its totient is φ = 210312900.
The previous prime is 231344173. The next prime is 231344203. The reversal of 231344201 is 102443132.
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 231344201 - 26 = 231344137 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (231344203) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10515635 + ... + 10515656.
It is an arithmetic number, because the mean of its divisors is an integer number (63093876).
Almost surely, 2231344201 is an apocalyptic number.
It is an amenable number.
231344201 is a deficient number, since it is larger than the sum of its proper divisors (21031303).
231344201 is a wasteful number, since it uses less digits than its factorization.
231344201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 21031302.
The product of its (nonzero) digits is 576, while the sum is 20.
The square root of 231344201 is about 15210.0033201837. The cubic root of 231344201 is about 613.8838468225.
Adding to 231344201 its reverse (102443132), we get a palindrome (333787333).
The spelling of 231344201 in words is "two hundred thirty-one million, three hundred forty-four thousand, two hundred one".
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