Base | Representation |
---|---|
bin | 1101110110111011… |
… | …01101010000100010 |
3 | 201012111211221121000 |
4 | 12323131231100202 |
5 | 110214131003432 |
6 | 3230135012430 |
7 | 352241520600 |
oct | 67335552042 |
9 | 21174757530 |
10 | 7440094242 |
11 | 3178814a19 |
12 | 153780a116 |
13 | 917544c39 |
14 | 50819a870 |
15 | 2d829c57c |
hex | 1bb76d422 |
7440094242 has 96 divisors (see below), whose sum is σ = 19304231040. Its totient is φ = 2117858400.
The previous prime is 7440094241. The next prime is 7440094253. The reversal of 7440094242 is 2424900447.
7440094242 is a `hidden beast` number, since 7 + 4 + 400 + 9 + 4 + 242 = 666.
It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.
It is a junction number, because it is equal to n+sod(n) for n = 7440094197 and 7440094206.
It is not an unprimeable number, because it can be changed into a prime (7440094241) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 727867 + ... + 738017.
It is an arithmetic number, because the mean of its divisors is an integer number (201085740).
Almost surely, 27440094242 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 7440094242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9652115520).
7440094242 is an abundant number, since it is smaller than the sum of its proper divisors (11864136798).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7440094242 is a wasteful number, since it uses less digits than its factorization.
7440094242 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10453 (or 10440 counting only the distinct ones).
The product of its (nonzero) digits is 64512, while the sum is 36.
The square root of 7440094242 is about 86255.9809056740. The cubic root of 7440094242 is about 1952.2082580994.
Adding to 7440094242 its reverse (2424900447), we get a palindrome (9864994689).
The spelling of 7440094242 in words is "seven billion, four hundred forty million, ninety-four thousand, two hundred forty-two".
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