Base | Representation |
---|---|
bin | 1110100100011… |
… | …11011101110000 |
3 | 22111222112200100 |
4 | 13102033131300 |
5 | 222242104243 |
6 | 20043352400 |
7 | 3012605445 |
oct | 722173560 |
9 | 274875610 |
10 | 122222448 |
11 | 62a9a597 |
12 | 34b22700 |
13 | 1c42469a |
14 | 123379cc |
15 | aae40d3 |
hex | 748f770 |
122222448 has 60 divisors (see below), whose sum is σ = 342878848. Its totient is φ = 40642560.
The previous prime is 122222447. The next prime is 122222473. The reversal of 122222448 is 844222221.
It is a super-2 number, since 2×1222224482 = 29876653590225408, which contains 22 as substring.
It is a nude number because it is divisible by every one of its digits.
It is a plaindrome in base 10 and base 14.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122222447) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 82353 + ... + 83823.
Almost surely, 2122222448 is an apocalyptic number.
122222448 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
122222448 is an abundant number, since it is smaller than the sum of its proper divisors (220656400).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122222448 is a wasteful number, since it uses less digits than its factorization.
122222448 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2062 (or 2053 counting only the distinct ones).
The product of its digits is 4096, while the sum is 27.
The square root of 122222448 is about 11055.4261790308. The cubic root of 122222448 is about 496.2688232322.
Adding to 122222448 its reverse (844222221), we get a palindrome (966444669).
The spelling of 122222448 in words is "one hundred twenty-two million, two hundred twenty-two thousand, four hundred forty-eight".
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