Base | Representation |
---|---|
bin | 1000010001111000… |
… | …1101100001110000 |
3 | 12201220001022122011 |
4 | 2010132031201300 |
5 | 14022430342430 |
6 | 1004312052304 |
7 | 106035020344 |
oct | 20436154160 |
9 | 5656038564 |
10 | 2222512240 |
11 | a40606383 |
12 | 520394094 |
13 | 2955b4400 |
14 | 17125b624 |
15 | d01b722a |
hex | 8478d870 |
2222512240 has 60 divisors (see below), whose sum is σ = 5595438744. Its totient is φ = 820614912.
The previous prime is 2222512231. The next prime is 2222512291. The reversal of 2222512240 is 422152222.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68674 + ... + 95713.
Almost surely, 22222512240 is an apocalyptic number.
2222512240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2222512240 is an abundant number, since it is smaller than the sum of its proper divisors (3372926504).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2222512240 is a wasteful number, since it uses less digits than its factorization.
2222512240 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 164426 (or 164407 counting only the distinct ones).
The product of its (nonzero) digits is 1280, while the sum is 22.
The square root of 2222512240 is about 47143.5280818057. The cubic root of 2222512240 is about 1305.0126469809.
Adding to 2222512240 its reverse (422152222), we get a palindrome (2644664462).
The spelling of 2222512240 in words is "two billion, two hundred twenty-two million, five hundred twelve thousand, two hundred forty".
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