Base | Representation |
---|---|
bin | 100100111110… |
… | …001101000000 |
3 | 200020101212210 |
4 | 210332031000 |
5 | 4440120333 |
6 | 543422120 |
7 | 145244316 |
oct | 44761500 |
9 | 20211783 |
10 | 9691968 |
11 | 551a7a0 |
12 | 32b4940 |
13 | 20145c0 |
14 | 14040b6 |
15 | cb6a63 |
hex | 93e340 |
9691968 has 112 divisors (see below), whose sum is σ = 30211776. Its totient is φ = 2703360.
The previous prime is 9691963. The next prime is 9691987. The reversal of 9691968 is 8691969.
It is a Harshad number since it is a multiple of its sum of digits (48).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (9691963) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27280 + ... + 27632.
It is an arithmetic number, because the mean of its divisors is an integer number (269748).
Almost surely, 29691968 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 9691968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15105888).
9691968 is an abundant number, since it is smaller than the sum of its proper divisors (20519808).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
9691968 is a wasteful number, since it uses less digits than its factorization.
9691968 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 392 (or 382 counting only the distinct ones).
The product of its digits is 209952, while the sum is 48.
The square root of 9691968 is about 3113.1925735489. The cubic root of 9691968 is about 213.2082426380.
Subtracting from 9691968 its reverse (8691969), we obtain a palindrome (999999).
The spelling of 9691968 in words is "nine million, six hundred ninety-one thousand, nine hundred sixty-eight".
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