Base | Representation |
---|---|
bin | 1110100111111… |
… | …00000101000000 |
3 | 22112211010221101 |
4 | 13103330011000 |
5 | 222400323303 |
6 | 20101104144 |
7 | 3016440460 |
oct | 723740500 |
9 | 275733841 |
10 | 122667328 |
11 | 63273863 |
12 | 350b8054 |
13 | 1c54c024 |
14 | 12411ba0 |
15 | ab80d1d |
hex | 74fc140 |
122667328 has 56 divisors (see below), whose sum is σ = 281049984. Its totient is φ = 52032000.
The previous prime is 122667323. The next prime is 122667331. The reversal of 122667328 is 823766221.
It is a tau number, because it is divible by the number of its divisors (56).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122667323) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43893 + ... + 46603.
Almost surely, 2122667328 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 122667328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140524992).
122667328 is an abundant number, since it is smaller than the sum of its proper divisors (158382656).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122667328 is a wasteful number, since it uses less digits than its factorization.
122667328 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2831 (or 2821 counting only the distinct ones).
The product of its digits is 48384, while the sum is 37.
The square root of 122667328 is about 11075.5283395421. The cubic root of 122667328 is about 496.8702205044.
The spelling of 122667328 in words is "one hundred twenty-two million, six hundred sixty-seven thousand, three hundred twenty-eight".
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