Base | Representation |
---|---|
bin | 1000111101101… |
… | …10001011010010 |
3 | 12020111022021100 |
4 | 10132312023102 |
5 | 123222220330 |
6 | 11243405230 |
7 | 1602101445 |
oct | 436661322 |
9 | 166438240 |
10 | 75195090 |
11 | 3949a203 |
12 | 21223816 |
13 | 1276a349 |
14 | 9db565c |
15 | 6905060 |
hex | 47b62d2 |
75195090 has 48 divisors (see below), whose sum is σ = 196717248. Its totient is φ = 19927968.
The previous prime is 75195077. The next prime is 75195101. The reversal of 75195090 is 9059157.
It is a happy number.
75195090 is a `hidden beast` number, since 7 + 519 + 50 + 90 = 666.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12529 + ... + 17531.
It is an arithmetic number, because the mean of its divisors is an integer number (4098276).
Almost surely, 275195090 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 75195090, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98358624).
75195090 is an abundant number, since it is smaller than the sum of its proper divisors (121522158).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
75195090 is a wasteful number, since it uses less digits than its factorization.
75195090 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5183 (or 5180 counting only the distinct ones).
The product of its (nonzero) digits is 14175, while the sum is 36.
The square root of 75195090 is about 8671.5102490858. The cubic root of 75195090 is about 422.0816722348.
The spelling of 75195090 in words is "seventy-five million, one hundred ninety-five thousand, ninety".
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