Base | Representation |
---|---|
bin | 1110101100001… |
… | …01011101010000 |
3 | 22120212201211021 |
4 | 13112011131100 |
5 | 223021330112 |
6 | 20121125224 |
7 | 3024303142 |
oct | 726053520 |
9 | 276781737 |
10 | 123230032 |
11 | 63618602 |
12 | 35329814 |
13 | 1c6b81a3 |
14 | 1251ac92 |
15 | ac42907 |
hex | 7585750 |
123230032 has 10 divisors (see below), whose sum is σ = 238758218. Its totient is φ = 61615008.
The previous prime is 123230027. The next prime is 123230039. The reversal of 123230032 is 230032321.
It can be written as a sum of positive squares in only one way, i.e., 80928016 + 42302016 = 8996^2 + 6504^2 .
It is a Harshad number since it is a multiple of its sum of digits (16), and also a Moran number because the ratio is a prime number: 7701877 = 123230032 / (1 + 2 + 3 + 2 + 3 + 0 + 0 + 3 + 2).
It is a junction number, because it is equal to n+sod(n) for n = 123229988 and 123230015.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (123230039) 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 as a sum of consecutive naturals, namely, 3850923 + ... + 3850954.
Almost surely, 2123230032 is an apocalyptic number.
It is an amenable number.
123230032 is a deficient number, since it is larger than the sum of its proper divisors (115528186).
123230032 is an equidigital number, since it uses as much as digits as its factorization.
123230032 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7701885 (or 7701879 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 16.
The square root of 123230032 is about 11100.9023056687. The cubic root of 123230032 is about 497.6288154100.
Adding to 123230032 its reverse (230032321), we get a palindrome (353262353).
The spelling of 123230032 in words is "one hundred twenty-three million, two hundred thirty thousand, thirty-two".
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