Base | Representation |
---|---|
bin | 1001000011000… |
… | …00000101001100 |
3 | 12021210122220112 |
4 | 10201200011030 |
5 | 123412003040 |
6 | 11310335152 |
7 | 1611030422 |
oct | 441400514 |
9 | 167718815 |
10 | 75891020 |
11 | 39925057 |
12 | 214ba4b8 |
13 | 1295203a |
14 | a117112 |
15 | 69e1365 |
hex | 486014c |
75891020 has 24 divisors (see below), whose sum is σ = 159583200. Its totient is φ = 30316032.
The previous prime is 75890993. The next prime is 75891029. The reversal of 75891020 is 2019857.
It is not an unprimeable number, because it can be changed into a prime (75891029) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16316 + ... + 20444.
It is an arithmetic number, because the mean of its divisors is an integer number (6649300).
Almost surely, 275891020 is an apocalyptic number.
It is an amenable number.
75891020 is an abundant number, since it is smaller than the sum of its proper divisors (83692180).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
75891020 is a wasteful number, since it uses less digits than its factorization.
75891020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5057 (or 5055 counting only the distinct ones).
The product of its (nonzero) digits is 5040, while the sum is 32.
The square root of 75891020 is about 8711.5452131066. The cubic root of 75891020 is about 423.3797966376.
The spelling of 75891020 in words is "seventy-five million, eight hundred ninety-one thousand, twenty".
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