Base | Representation |
---|---|
bin | 1000111111001… |
… | …00010001111000 |
3 | 12020211220022100 |
4 | 10133210101320 |
5 | 123244241203 |
6 | 11251423400 |
7 | 1603516134 |
oct | 437442170 |
9 | 166756270 |
10 | 75383928 |
11 | 39609074 |
12 | 212b4b60 |
13 | 12805299 |
14 | a0243c4 |
15 | 6940ea3 |
hex | 47e4478 |
75383928 has 24 divisors (see below), whose sum is σ = 204165000. Its totient is φ = 25127952.
The previous prime is 75383927. The next prime is 75383947. The reversal of 75383928 is 82938357.
It is a tau number, because it is divible by the number of its divisors (24).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (75383927) by changing a digit.
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 5 ways as a sum of consecutive naturals, for example, 523428 + ... + 523571.
It is an arithmetic number, because the mean of its divisors is an integer number (8506875).
Almost surely, 275383928 is an apocalyptic number.
It is an amenable number.
75383928 is an abundant number, since it is smaller than the sum of its proper divisors (128781072).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
75383928 is a wasteful number, since it uses less digits than its factorization.
75383928 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1047011 (or 1047004 counting only the distinct ones).
The product of its digits is 362880, while the sum is 45.
The square root of 75383928 is about 8682.3918363548. The cubic root of 75383928 is about 422.4347025122.
It can be divided in two parts, 753 and 83928, that added together give a square (84681 = 2912).
The spelling of 75383928 in words is "seventy-five million, three hundred eighty-three thousand, nine hundred twenty-eight".
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