Base | Representation |
---|---|
bin | 100100101010110… |
… | …1100011111011111 |
3 | 10011202021000110102 |
4 | 1021111230133133 |
5 | 10004442032111 |
6 | 322032131315 |
7 | 42330301034 |
oct | 11125543737 |
9 | 3152230412 |
10 | 1230424031 |
11 | 5815a6871 |
12 | 2a4096b3b |
13 | 167bb7475 |
14 | b95ad38b |
15 | 7304a13b |
hex | 4956c7df |
1230424031 has 8 divisors (see below), whose sum is σ = 1284323040. Its totient is φ = 1176558592.
The previous prime is 1230424009. The next prime is 1230424033. The reversal of 1230424031 is 1304240321.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1230424031 - 26 = 1230423967 is a prime.
It is a super-2 number, since 2×12304240312 = 3027886592124577922, 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 = 1230423994 and 1230424012.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1230424033) 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 7 ways as a sum of consecutive naturals, for example, 92411 + ... + 104883.
It is an arithmetic number, because the mean of its divisors is an integer number (160540380).
Almost surely, 21230424031 is an apocalyptic number.
1230424031 is a deficient number, since it is larger than the sum of its proper divisors (53899009).
1230424031 is a wasteful number, since it uses less digits than its factorization.
1230424031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16785.
The product of its (nonzero) digits is 576, while the sum is 20.
The square root of 1230424031 is about 35077.4005735887. The cubic root of 1230424031 is about 1071.5643786650.
Adding to 1230424031 its reverse (1304240321), we get a palindrome (2534664352).
It can be divided in two parts, 1 and 230424031, that added together give a palindrome (230424032).
The spelling of 1230424031 in words is "one billion, two hundred thirty million, four hundred twenty-four thousand, thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.079 sec. • engine limits •