Base | Representation |
---|---|
bin | 11011100100010… |
… | …00011001100011 |
3 | 121010010111001212 |
4 | 31302020121203 |
5 | 433144323121 |
6 | 34540220335 |
7 | 5505360605 |
oct | 1562103143 |
9 | 533114055 |
10 | 231245411 |
11 | 109594111 |
12 | 6553a6ab |
13 | 38ba7107 |
14 | 229d7175 |
15 | 1547c25b |
hex | dc88663 |
231245411 has 4 divisors (see below), whose sum is σ = 231315000. Its totient is φ = 231175824.
The previous prime is 231245383. The next prime is 231245429. The reversal of 231245411 is 114542132.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 231245411 - 222 = 227051107 is a prime.
It is a Duffinian number.
It is a nialpdrome in base 16.
It is not an unprimeable number, because it can be changed into a prime (231245491) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29546 + ... + 36543.
It is an arithmetic number, because the mean of its divisors is an integer number (57828750).
Almost surely, 2231245411 is an apocalyptic number.
231245411 is a deficient number, since it is larger than the sum of its proper divisors (69589).
231245411 is an equidigital number, since it uses as much as digits as its factorization.
231245411 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 69588.
The product of its digits is 960, while the sum is 23.
The square root of 231245411 is about 15206.7554396064. The cubic root of 231245411 is about 613.7964529171.
Adding to 231245411 its reverse (114542132), we get a palindrome (345787543).
The spelling of 231245411 in words is "two hundred thirty-one million, two hundred forty-five thousand, four hundred eleven".
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