Base | Representation |
---|---|
bin | 1110101000010… |
… | …10111001011000 |
3 | 22112221020012101 |
4 | 13110022321120 |
5 | 222404244044 |
6 | 20102253144 |
7 | 3020112436 |
oct | 724127130 |
9 | 275836171 |
10 | 122728024 |
11 | 63305421 |
12 | 351271b4 |
13 | 1c570843 |
14 | 12429d56 |
15 | ab93cd4 |
hex | 750ae58 |
122728024 has 16 divisors (see below), whose sum is σ = 234016200. Its totient is φ = 60323712.
The previous prime is 122728007. The next prime is 122728027. The reversal of 122728024 is 420827221.
It is a junction number, because it is equal to n+sod(n) for n = 122727983 and 122728001.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122728027) 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 3 ways as a sum of consecutive naturals, for example, 129537 + ... + 130480.
Almost surely, 2122728024 is an apocalyptic number.
It is an amenable number.
122728024 is a deficient number, since it is larger than the sum of its proper divisors (111288176).
122728024 is a wasteful number, since it uses less digits than its factorization.
122728024 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 260082 (or 260078 counting only the distinct ones).
The product of its (nonzero) digits is 3584, while the sum is 28.
The square root of 122728024 is about 11078.2680956908. The cubic root of 122728024 is about 496.9521577316.
The spelling of 122728024 in words is "one hundred twenty-two million, seven hundred twenty-eight thousand, twenty-four".
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