Base | Representation |
---|---|
bin | 1110110101010… |
… | …10001001100001 |
3 | 22200010122100200 |
4 | 13122222021201 |
5 | 223323211042 |
6 | 20202535413 |
7 | 3040425315 |
oct | 732521141 |
9 | 280118320 |
10 | 124428897 |
11 | 642672aa |
12 | 35807569 |
13 | 1ca17a88 |
14 | 1274db45 |
15 | adccc4c |
hex | 76aa261 |
124428897 has 12 divisors (see below), whose sum is σ = 180485760. Its totient is φ = 82604088.
The previous prime is 124428893. The next prime is 124428911. The reversal of 124428897 is 798824421.
It is not a de Polignac number, because 124428897 - 22 = 124428893 is a prime.
It is not an unprimeable number, because it can be changed into a prime (124428893) 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 in 11 ways as a sum of consecutive naturals, for example, 26773 + ... + 31074.
It is an arithmetic number, because the mean of its divisors is an integer number (15040480).
Almost surely, 2124428897 is an apocalyptic number.
It is an amenable number.
124428897 is a deficient number, since it is larger than the sum of its proper divisors (56056863).
124428897 is a wasteful number, since it uses less digits than its factorization.
124428897 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 58092 (or 58089 counting only the distinct ones).
The product of its digits is 258048, while the sum is 45.
The square root of 124428897 is about 11154.7701455476. The cubic root of 124428897 is about 499.2373667057.
The spelling of 124428897 in words is "one hundred twenty-four million, four hundred twenty-eight thousand, eight hundred ninety-seven".
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