Base | Representation |
---|---|
bin | 1001000001011… |
… | …10111111101000 |
3 | 12021102110002212 |
4 | 10200232333220 |
5 | 123334034320 |
6 | 11302144252 |
7 | 1606232303 |
oct | 440567750 |
9 | 167373085 |
10 | 75689960 |
11 | 397a7a95 |
12 | 21422088 |
13 | 128b1678 |
14 | a0a3b3a |
15 | 69a19c5 |
hex | 482efe8 |
75689960 has 16 divisors (see below), whose sum is σ = 170302500. Its totient is φ = 30275968.
The previous prime is 75689947. The next prime is 75689963. The reversal of 75689960 is 6998657.
It can be written as a sum of positive squares in 2 ways, for example, as 72148036 + 3541924 = 8494^2 + 1882^2 .
It is a junction number, because it is equal to n+sod(n) for n = 75689899 and 75689908.
It is not an unprimeable number, because it can be changed into a prime (75689963) 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, 946085 + ... + 946164.
Almost surely, 275689960 is an apocalyptic number.
It is an amenable number.
75689960 is an abundant number, since it is smaller than the sum of its proper divisors (94612540).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
75689960 is a wasteful number, since it uses less digits than its factorization.
75689960 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1892260 (or 1892256 counting only the distinct ones).
The product of its (nonzero) digits is 816480, while the sum is 50.
The square root of 75689960 is about 8699.9977011491. The cubic root of 75689960 is about 423.0055756949.
The spelling of 75689960 in words is "seventy-five million, six hundred eighty-nine thousand, nine hundred sixty".
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