Base | Representation |
---|---|
bin | 1110100100011… |
… | …11100010011100 |
3 | 22111222120002110 |
4 | 13102033202130 |
5 | 222242111443 |
6 | 20043354020 |
7 | 3012606354 |
oct | 722174234 |
9 | 274876073 |
10 | 122222748 |
11 | 62a9a83a |
12 | 34b22910 |
13 | 1c42486b |
14 | 12337b64 |
15 | aae4233 |
hex | 748f89c |
122222748 has 48 divisors (see below), whose sum is σ = 296271360. Its totient is φ = 39187584.
The previous prime is 122222747. The next prime is 122222761. The reversal of 122222748 is 847222221.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122222747) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31440 + ... + 35112.
It is an arithmetic number, because the mean of its divisors is an integer number (6172320).
Almost surely, 2122222748 is an apocalyptic number.
It is an amenable number.
122222748 is an abundant number, since it is smaller than the sum of its proper divisors (174048612).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122222748 is a wasteful number, since it uses less digits than its factorization.
122222748 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3786 (or 3784 counting only the distinct ones).
The product of its digits is 7168, while the sum is 30.
The square root of 122222748 is about 11055.4397470205. The cubic root of 122222748 is about 496.2692292692.
Adding to 122222748 its reverse (847222221), we get a palindrome (969444969).
The spelling of 122222748 in words is "one hundred twenty-two million, two hundred twenty-two thousand, seven hundred forty-eight".
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