Base | Representation |
---|---|
bin | 1001000000110… |
… | …10011111011111 |
3 | 12021021011220121 |
4 | 10200122133133 |
5 | 123323342413 |
6 | 11300255411 |
7 | 1605432415 |
oct | 440323737 |
9 | 167234817 |
10 | 75605983 |
11 | 3974a992 |
12 | 213a1567 |
13 | 1288238b |
14 | a0812b5 |
15 | 6986b8d |
hex | 481a7df |
75605983 has 4 divisors (see below), whose sum is σ = 76670928. Its totient is φ = 74541040.
The previous prime is 75605951. The next prime is 75605989. The reversal of 75605983 is 38950657.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 38950657 = 181 ⋅215197.
It is a cyclic number.
It is not a de Polignac number, because 75605983 - 25 = 75605951 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 (75605989) 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, 532366 + ... + 532507.
It is an arithmetic number, because the mean of its divisors is an integer number (19167732).
Almost surely, 275605983 is an apocalyptic number.
75605983 is a deficient number, since it is larger than the sum of its proper divisors (1064945).
75605983 is a wasteful number, since it uses less digits than its factorization.
75605983 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1064944.
The product of its (nonzero) digits is 226800, while the sum is 43.
The square root of 75605983 is about 8695.1700960936. The cubic root of 75605983 is about 422.8490781239.
The spelling of 75605983 in words is "seventy-five million, six hundred five thousand, nine hundred eighty-three".
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