Base | Representation |
---|---|
bin | 1000111111010… |
… | …00001101010001 |
3 | 12020212201101020 |
4 | 10133220031101 |
5 | 123300300032 |
6 | 11252030053 |
7 | 1603614060 |
oct | 437501521 |
9 | 166781336 |
10 | 75400017 |
11 | 3961a170 |
12 | 21302329 |
13 | 1280c6c4 |
14 | a02a1d7 |
15 | 6945b2c |
hex | 47e8351 |
75400017 has 32 divisors (see below), whose sum is σ = 126597120. Its totient is φ = 38776320.
The previous prime is 75400009. The next prime is 75400019. The reversal of 75400017 is 71000457.
It is not a de Polignac number, because 75400017 - 23 = 75400009 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 75400017.
It is not an unprimeable number, because it can be changed into a prime (75400019) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22209 + ... + 25377.
It is an arithmetic number, because the mean of its divisors is an integer number (3956160).
Almost surely, 275400017 is an apocalyptic number.
75400017 is a gapful number since it is divisible by the number (77) formed by its first and last digit.
It is an amenable number.
75400017 is a deficient number, since it is larger than the sum of its proper divisors (51197103).
75400017 is a wasteful number, since it uses less digits than its factorization.
75400017 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3293.
The product of its (nonzero) digits is 980, while the sum is 24.
The square root of 75400017 is about 8683.3183173255. The cubic root of 75400017 is about 422.4647534291.
The spelling of 75400017 in words is "seventy-five million, four hundred thousand, seventeen".
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