Base | Representation |
---|---|
bin | 10001001101110011… |
… | …10111011001000110 |
3 | 212212010122122122000 |
4 | 20212321313121012 |
5 | 122412103403034 |
6 | 4125045450130 |
7 | 445020061110 |
oct | 104671673106 |
9 | 25763578560 |
10 | 9242637894 |
11 | 3a13256716 |
12 | 195b410946 |
13 | b43b15a09 |
14 | 6397363b0 |
15 | 391659599 |
hex | 226e77646 |
9242637894 has 384 divisors, whose sum is σ = 27043507200. Its totient is φ = 2284277760.
The previous prime is 9242637893. The next prime is 9242637907. The reversal of 9242637894 is 4987362429.
9242637894 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a self number, because there is not a number n which added to its sum of digits gives 9242637894.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (9242637893) by changing a digit.
It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 126611442 + ... + 126611514.
It is an arithmetic number, because the mean of its divisors is an integer number (70425800).
Almost surely, 29242637894 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 9242637894, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13521753600).
9242637894 is an abundant number, since it is smaller than the sum of its proper divisors (17800869306).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
9242637894 is a wasteful number, since it uses less digits than its factorization.
9242637894 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 205 (or 182 counting only the distinct ones).
The product of its digits is 5225472, while the sum is 54.
The square root of 9242637894 is about 96138.6389231718. The cubic root of 9242637894 is about 2098.6111674139.
The spelling of 9242637894 in words is "nine billion, two hundred forty-two million, six hundred thirty-seven thousand, eight hundred ninety-four".
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