Base | Representation |
---|---|
bin | 100100101101111… |
… | …0101000111100111 |
3 | 10011212021201111101 |
4 | 1021123311013213 |
5 | 10010400012411 |
6 | 322130420531 |
7 | 42350046463 |
oct | 11133650747 |
9 | 3155251441 |
10 | 1232032231 |
11 | 5824a5061 |
12 | 2a4731747 |
13 | 16832b471 |
14 | b98ab4a3 |
15 | 732668c1 |
hex | 496f51e7 |
1232032231 has 4 divisors (see below), whose sum is σ = 1232213872. Its totient is φ = 1231850592.
The previous prime is 1232032213. The next prime is 1232032261. The reversal of 1232032231 is 1322302321.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1322302321 = 19 ⋅69594859.
It is a cyclic number.
It is not a de Polignac number, because 1232032231 - 211 = 1232030183 is a prime.
It is a super-2 number, since 2×12320322312 = 3035806836445674722, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1232032199 and 1232032208.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1232032261) 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, 80235 + ... + 94348.
It is an arithmetic number, because the mean of its divisors is an integer number (308053468).
Almost surely, 21232032231 is an apocalyptic number.
1232032231 is a deficient number, since it is larger than the sum of its proper divisors (181641).
1232032231 is an equidigital number, since it uses as much as digits as its factorization.
1232032231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 181640.
The product of its (nonzero) digits is 432, while the sum is 19.
The square root of 1232032231 is about 35100.3166794831. The cubic root of 1232032231 is about 1072.0310306859.
Adding to 1232032231 its reverse (1322302321), we get a palindrome (2554334552).
It can be divided in two parts, 12320 and 32231, that added together give a triangular number (44551 = T298).
The spelling of 1232032231 in words is "one billion, two hundred thirty-two million, thirty-two thousand, two hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •