Base | Representation |
---|---|
bin | 100100101110010… |
… | …0111110110011111 |
3 | 10011212200021112200 |
4 | 1021130213312133 |
5 | 10010423140111 |
6 | 322135102543 |
7 | 42351603351 |
oct | 11134476637 |
9 | 3155607480 |
10 | 1232240031 |
11 | 5826271a0 |
12 | 2a4811a53 |
13 | 1683a1c19 |
14 | b99230d1 |
15 | 732a8256 |
hex | 49727d9f |
1232240031 has 24 divisors (see below), whose sum is σ = 1983032064. Its totient is φ = 730919760.
The previous prime is 1232240011. The next prime is 1232240057. The reversal of 1232240031 is 1300422321.
1232240031 is a `hidden beast` number, since 1 + 232 + 2 + 400 + 31 = 666.
It is not a de Polignac number, because 1232240031 - 25 = 1232239999 is a prime.
It is a super-2 number, since 2×12322400312 = 3036830987997761922, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 1232239986 and 1232240013.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1232240011) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 127761 + ... + 137066.
It is an arithmetic number, because the mean of its divisors is an integer number (82626336).
Almost surely, 21232240031 is an apocalyptic number.
1232240031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
1232240031 is a deficient number, since it is larger than the sum of its proper divisors (750792033).
1232240031 is a wasteful number, since it uses less digits than its factorization.
1232240031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 264891 (or 264888 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
The square root of 1232240031 is about 35103.2766419319. The cubic root of 1232240031 is about 1072.0912984612.
Adding to 1232240031 its reverse (1300422321), we get a palindrome (2532662352).
The spelling of 1232240031 in words is "one billion, two hundred thirty-two million, two hundred forty thousand, thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.136 sec. • engine limits •