Base | Representation |
---|---|
bin | 1110100100100… |
… | …00110100111111 |
3 | 22111222211100010 |
4 | 13102100310333 |
5 | 222242244111 |
6 | 20043434303 |
7 | 3012630642 |
oct | 722206477 |
9 | 274884303 |
10 | 122228031 |
11 | 62aa3802 |
12 | 34b25993 |
13 | 1c4270a3 |
14 | 12339a59 |
15 | aae5aa6 |
hex | 7490d3f |
122228031 has 8 divisors (see below), whose sum is σ = 163134720. Its totient is φ = 81403352.
The previous prime is 122228027. The next prime is 122228047. The reversal of 122228031 is 130822221.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 122228031 - 22 = 122228027 is a prime.
It is a super-2 number, since 2×1222280312 = 29879383124273922, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 122227989 and 122228007.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122228021) 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, 16935 + ... + 23048.
It is an arithmetic number, because the mean of its divisors is an integer number (20391840).
Almost surely, 2122228031 is an apocalyptic number.
122228031 is a deficient number, since it is larger than the sum of its proper divisors (40906689).
122228031 is a wasteful number, since it uses less digits than its factorization.
122228031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 41005.
The product of its (nonzero) digits is 384, while the sum is 21.
The square root of 122228031 is about 11055.6786765897. The cubic root of 122228031 is about 496.2763794727.
The spelling of 122228031 in words is "one hundred twenty-two million, two hundred twenty-eight thousand, thirty-one".
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