Base | Representation |
---|---|
bin | 1110101100010… |
… | …01001001100000 |
3 | 22120220111120021 |
4 | 13112021021200 |
5 | 223022321102 |
6 | 20121323224 |
7 | 3024365212 |
oct | 726111140 |
9 | 276814507 |
10 | 123245152 |
11 | 636289a8 |
12 | 35336514 |
13 | 1c6c2034 |
14 | 125225b2 |
15 | ac47137 |
hex | 7589260 |
123245152 has 24 divisors (see below), whose sum is σ = 242945136. Its totient is φ = 61544832.
The previous prime is 123245081. The next prime is 123245167. The reversal of 123245152 is 251542321.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29973 + ... + 33835.
It is an arithmetic number, because the mean of its divisors is an integer number (10122714).
Almost surely, 2123245152 is an apocalyptic number.
It is an amenable number.
123245152 is a deficient number, since it is larger than the sum of its proper divisors (119699984).
123245152 is an equidigital number, since it uses as much as digits as its factorization.
123245152 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4870 (or 4862 counting only the distinct ones).
The product of its digits is 2400, while the sum is 25.
The square root of 123245152 is about 11101.5833105013. The cubic root of 123245152 is about 497.6491671588.
Adding to 123245152 its reverse (251542321), we get a palindrome (374787473).
The spelling of 123245152 in words is "one hundred twenty-three million, two hundred forty-five thousand, one hundred fifty-two".
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