Base | Representation |
---|---|
bin | 1000111111000… |
… | …11110111100000 |
3 | 12020211210222211 |
4 | 10133203313200 |
5 | 123244212430 |
6 | 11251411504 |
7 | 1603511203 |
oct | 437436740 |
9 | 166753884 |
10 | 75382240 |
11 | 3960787a |
12 | 212b3b94 |
13 | 1280459b |
14 | a02393a |
15 | 694072a |
hex | 47e3de0 |
75382240 has 24 divisors (see below), whose sum is σ = 178090920. Its totient is φ = 30152832.
The previous prime is 75382217. The next prime is 75382261. The reversal of 75382240 is 4228357.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 235410 + ... + 235729.
It is an arithmetic number, because the mean of its divisors is an integer number (7420455).
Almost surely, 275382240 is an apocalyptic number.
It is an amenable number.
75382240 is an abundant number, since it is smaller than the sum of its proper divisors (102708680).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
75382240 is a wasteful number, since it uses less digits than its factorization.
75382240 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 471154 (or 471146 counting only the distinct ones).
The product of its (nonzero) digits is 13440, while the sum is 31.
The square root of 75382240 is about 8682.2946275740. The cubic root of 75382240 is about 422.4315494303.
The spelling of 75382240 in words is "seventy-five million, three hundred eighty-two thousand, two hundred forty".
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