Base | Representation |
---|---|
bin | 1001000011101… |
… | …10010100001101 |
3 | 12021222021211121 |
4 | 10201312110031 |
5 | 123422411333 |
6 | 11312320541 |
7 | 1611560065 |
oct | 441662415 |
9 | 167867747 |
10 | 75982093 |
11 | 39987520 |
12 | 21543151 |
13 | 12984625 |
14 | a13c3a5 |
15 | 6a0d32d |
hex | 487650d |
75982093 has 4 divisors (see below), whose sum is σ = 82889568. Its totient is φ = 69074620.
The previous prime is 75982079. The next prime is 75982139. The reversal of 75982093 is 39028957.
It is a happy number.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-75982093 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (75982013) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3453721 + ... + 3453742.
It is an arithmetic number, because the mean of its divisors is an integer number (20722392).
Almost surely, 275982093 is an apocalyptic number.
It is an amenable number.
75982093 is a deficient number, since it is larger than the sum of its proper divisors (6907475).
75982093 is a wasteful number, since it uses less digits than its factorization.
It is an anagram of its base 11 representation: 75982093 = (39987520)11.
75982093 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6907474.
The product of its (nonzero) digits is 136080, while the sum is 43.
The square root of 75982093 is about 8716.7707896904. The cubic root of 75982093 is about 423.5490878768.
The spelling of 75982093 in words is "seventy-five million, nine hundred eighty-two thousand, ninety-three".
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