Base | Representation |
---|---|
bin | 1110100100100… |
… | …01011010011111 |
3 | 22111222221122000 |
4 | 13102101122133 |
5 | 222242333211 |
6 | 20043453343 |
7 | 3012640641 |
oct | 722213237 |
9 | 274887560 |
10 | 122230431 |
11 | 62aa5594 |
12 | 34b27253 |
13 | 1c4281cb |
14 | 1233a891 |
15 | aae6656 |
hex | 749169f |
122230431 has 8 divisors (see below), whose sum is σ = 181082160. Its totient is φ = 81486936.
The previous prime is 122230429. The next prime is 122230457. The reversal of 122230431 is 134032221.
122230431 is a `hidden beast` number, since 1 + 2 + 2 + 230 + 431 = 666.
It is not a de Polignac number, because 122230431 - 21 = 122230429 is a prime.
It is a super-2 number, since 2×1222304312 = 29880556524891522, which contains 22 as substring.
It is a zygodrome in base 3.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122230481) 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, 2263500 + ... + 2263553.
It is an arithmetic number, because the mean of its divisors is an integer number (22635270).
Almost surely, 2122230431 is an apocalyptic number.
122230431 is a deficient number, since it is larger than the sum of its proper divisors (58851729).
122230431 is an equidigital number, since it uses as much as digits as its factorization.
122230431 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4527062 (or 4527056 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
The square root of 122230431 is about 11055.7872175617. The cubic root of 122230431 is about 496.2796276516.
Adding to 122230431 its reverse (134032221), we get a palindrome (256262652).
The spelling of 122230431 in words is "one hundred twenty-two million, two hundred thirty thousand, four hundred thirty-one".
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