Base | Representation |
---|---|
bin | 100100101110101… |
… | …1000110011010010 |
3 | 10011220001110120120 |
4 | 1021131120303102 |
5 | 10011001044110 |
6 | 322143251110 |
7 | 42353400036 |
oct | 11135306322 |
9 | 3156043516 |
10 | 1232440530 |
11 | 5827538a2 |
12 | 2a48a9a96 |
13 | 168442269 |
14 | b99761c6 |
15 | 732e7870 |
hex | 49758cd2 |
1232440530 has 16 divisors (see below), whose sum is σ = 2957857344. Its totient is φ = 328650800.
The previous prime is 1232440493. The next prime is 1232440543. The reversal of 1232440530 is 350442321.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 1232440530.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20540646 + ... + 20540705.
It is an arithmetic number, because the mean of its divisors is an integer number (184866084).
Almost surely, 21232440530 is an apocalyptic number.
1232440530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1232440530 is an abundant number, since it is smaller than the sum of its proper divisors (1725416814).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1232440530 is a wasteful number, since it uses less digits than its factorization.
1232440530 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 41081361.
The product of its (nonzero) digits is 2880, while the sum is 24.
The square root of 1232440530 is about 35106.1323702854. The cubic root of 1232440530 is about 1072.1494423213.
Adding to 1232440530 its reverse (350442321), we get a palindrome (1582882851).
The spelling of 1232440530 in words is "one billion, two hundred thirty-two million, four hundred forty thousand, five hundred thirty".
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