Base | Representation |
---|---|
bin | 100100111100… |
… | …100110010101 |
3 | 200020001212102 |
4 | 210330212111 |
5 | 4434413042 |
6 | 543331445 |
7 | 145216211 |
oct | 44744625 |
9 | 20201772 |
10 | 9685397 |
11 | 5515867 |
12 | 32b0b85 |
13 | 2011607 |
14 | 1401941 |
15 | cb4b32 |
hex | 93c995 |
9685397 has 4 divisors (see below), whose sum is σ = 9844236. Its totient is φ = 9526560.
The previous prime is 9685387. The next prime is 9685433. The reversal of 9685397 is 7935869.
9685397 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7935869 = 107 ⋅74167.
It can be written as a sum of positive squares in 2 ways, for example, as 1540081 + 8145316 = 1241^2 + 2854^2 .
It is a cyclic number.
It is not a de Polignac number, because 9685397 - 28 = 9685141 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (9685327) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79328 + ... + 79449.
It is an arithmetic number, because the mean of its divisors is an integer number (2461059).
Almost surely, 29685397 is an apocalyptic number.
It is an amenable number.
9685397 is a deficient number, since it is larger than the sum of its proper divisors (158839).
9685397 is a wasteful number, since it uses less digits than its factorization.
9685397 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 158838.
The product of its digits is 408240, while the sum is 47.
The square root of 9685397 is about 3112.1370471109. The cubic root of 9685397 is about 213.1600478133.
The spelling of 9685397 in words is "nine million, six hundred eighty-five thousand, three hundred ninety-seven".
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