Base | Representation |
---|---|
bin | 1000111111001… |
… | …01100010100101 |
3 | 12020212011101122 |
4 | 10133211202211 |
5 | 123244422333 |
6 | 11251503325 |
7 | 1603540163 |
oct | 437454245 |
9 | 166764348 |
10 | 75389093 |
11 | 39611a3a |
12 | 212b7b45 |
13 | 12807740 |
14 | a026233 |
15 | 6942798 |
hex | 47e58a5 |
75389093 has 8 divisors (see below), whose sum is σ = 85461600. Its totient is φ = 65927088.
The previous prime is 75389077. The next prime is 75389113. The reversal of 75389093 is 39098357.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 75389093 - 24 = 75389077 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 (75389063) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152363 + ... + 152856.
It is an arithmetic number, because the mean of its divisors is an integer number (10682700).
Almost surely, 275389093 is an apocalyptic number.
It is an amenable number.
75389093 is a deficient number, since it is larger than the sum of its proper divisors (10072507).
75389093 is a wasteful number, since it uses less digits than its factorization.
75389093 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 305251.
The product of its (nonzero) digits is 204120, while the sum is 44.
The square root of 75389093 is about 8682.6892723395. The cubic root of 75389093 is about 422.4443501275. Note that the first 3 decimals are identical.
The spelling of 75389093 in words is "seventy-five million, three hundred eighty-nine thousand, ninety-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •