Base | Representation |
---|---|
bin | 1000111100110… |
… | …00111000000011 |
3 | 12020021012122100 |
4 | 10132120320003 |
5 | 123204400300 |
6 | 11241041443 |
7 | 1601061525 |
oct | 436307003 |
9 | 166235570 |
10 | 75075075 |
11 | 39418019 |
12 | 21186283 |
13 | 1272782a |
14 | 9d83a15 |
15 | 68ce700 |
hex | 4798e03 |
75075075 has 18 divisors (see below), whose sum is σ = 134468204. Its totient is φ = 40039920.
The previous prime is 75075073. The next prime is 75075127. The reversal of 75075075 is 57057057.
It is not a de Polignac number, because 75075075 - 21 = 75075073 is a prime.
It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.
It is a Duffinian number.
75075075 is a modest number, since divided by 75075 gives 75 as remainder.
It is not an unprimeable number, because it can be changed into a prime (75075071) by changing a digit.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 166609 + ... + 167058.
Almost surely, 275075075 is an apocalyptic number.
75075075 is a gapful number since it is divisible by the number (75) formed by its first and last digit.
75075075 is a deficient number, since it is larger than the sum of its proper divisors (59393129).
75075075 is a wasteful number, since it uses less digits than its factorization.
75075075 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 333683 (or 333675 counting only the distinct ones).
The product of its (nonzero) digits is 42875, while the sum is 36.
The square root of 75075075 is about 8664.5874108350. The cubic root of 75075075 is about 421.8569984088.
The spelling of 75075075 in words is "seventy-five million, seventy-five thousand, seventy-five".
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