Base | Representation |
---|---|
bin | 111111110010100… |
… | …1000010111100000 |
3 | 12112011121121201202 |
4 | 1333211020113200 |
5 | 13340423040112 |
6 | 552221020332 |
7 | 104020303643 |
oct | 17745102740 |
9 | 5464547652 |
10 | 2140440032 |
11 | 9a924a305 |
12 | 4b89b46a8 |
13 | 2815a9a83 |
14 | 1643b5a5a |
15 | c7da46c2 |
hex | 7f9485e0 |
2140440032 has 48 divisors (see below), whose sum is σ = 4289377680. Its totient is φ = 1051235328.
The previous prime is 2140439993. The next prime is 2140440037. The reversal of 2140440032 is 2300440412.
It is a super-2 number, since 2×21404400322 = 9162967061176322048, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 2140439986 and 2140440013.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2140440037) 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, 444743 + ... + 449529.
It is an arithmetic number, because the mean of its divisors is an integer number (89362035).
Almost surely, 22140440032 is an apocalyptic number.
It is an amenable number.
2140440032 is an abundant number, since it is smaller than the sum of its proper divisors (2148937648).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2140440032 is a wasteful number, since it uses less digits than its factorization.
2140440032 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5043 (or 5035 counting only the distinct ones).
The product of its (nonzero) digits is 768, while the sum is 20.
The square root of 2140440032 is about 46264.8898410015. The cubic root of 2140440032 is about 1288.7470622029.
Adding to 2140440032 its reverse (2300440412), we get a palindrome (4440880444).
The spelling of 2140440032 in words is "two billion, one hundred forty million, four hundred forty thousand, thirty-two".
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