Base | Representation |
---|---|
bin | 1000111110010… |
… | …10111100000100 |
3 | 12020122121221001 |
4 | 10133022330010 |
5 | 123232431012 |
6 | 11245303044 |
7 | 1602604414 |
oct | 437127404 |
9 | 166577831 |
10 | 75280132 |
11 | 39548094 |
12 | 21264a84 |
13 | 12799c75 |
14 | 9dd8644 |
15 | 6920357 |
hex | 47caf04 |
75280132 has 12 divisors (see below), whose sum is σ = 131801040. Its totient is φ = 37622696.
The previous prime is 75280129. The next prime is 75280169. The reversal of 75280132 is 23108257.
It is a self number, because there is not a number n which added to its sum of digits gives 75280132.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14283 + ... + 18829.
It is an arithmetic number, because the mean of its divisors is an integer number (10983420).
Almost surely, 275280132 is an apocalyptic number.
It is an amenable number.
75280132 is a deficient number, since it is larger than the sum of its proper divisors (56520908).
75280132 is a wasteful number, since it uses less digits than its factorization.
75280132 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8690 (or 8688 counting only the distinct ones).
The product of its (nonzero) digits is 3360, while the sum is 28.
The square root of 75280132 is about 8676.4123922276. The cubic root of 75280132 is about 422.2407302547.
Adding to 75280132 its reverse (23108257), we get a palindrome (98388389).
The spelling of 75280132 in words is "seventy-five million, two hundred eighty thousand, one hundred thirty-two".
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