Base | Representation |
---|---|
bin | 1000111101001… |
… | …00000110011010 |
3 | 12020100112201010 |
4 | 10132210012122 |
5 | 123212333200 |
6 | 11242034350 |
7 | 1601342544 |
oct | 436440632 |
9 | 166315633 |
10 | 75121050 |
11 | 39449614 |
12 | 211a89b6 |
13 | 12742734 |
14 | 9d96694 |
15 | 68dd150 |
hex | 47a419a |
75121050 has 24 divisors (see below), whose sum is σ = 186300576. Its totient is φ = 20032240.
The previous prime is 75121031. The next prime is 75121051. The reversal of 75121050 is 5012157.
It is not an unprimeable number, because it can be changed into a prime (75121051) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 250254 + ... + 250553.
It is an arithmetic number, because the mean of its divisors is an integer number (7762524).
Almost surely, 275121050 is an apocalyptic number.
75121050 is an abundant number, since it is smaller than the sum of its proper divisors (111179526).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
75121050 is a wasteful number, since it uses less digits than its factorization.
75121050 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 500822 (or 500817 counting only the distinct ones).
The product of its (nonzero) digits is 350, while the sum is 21.
The square root of 75121050 is about 8667.2400451355. The cubic root of 75121050 is about 421.9430940839.
The spelling of 75121050 in words is "seventy-five million, one hundred twenty-one thousand, fifty".
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