Base | Representation |
---|---|
bin | 1000111111000… |
… | …00100101010110 |
3 | 12020211010112200 |
4 | 10133200211112 |
5 | 123243300130 |
6 | 11251225330 |
7 | 1603424040 |
oct | 437404526 |
9 | 166733480 |
10 | 75368790 |
11 | 395a8762 |
12 | 212a8246 |
13 | 127cb423 |
14 | a01ca90 |
15 | 693b760 |
hex | 47e0956 |
75368790 has 48 divisors (see below), whose sum is σ = 223954848. Its totient is φ = 17227008.
The previous prime is 75368789. The next prime is 75368831. The reversal of 75368790 is 9786357.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a Curzon number.
It is a congruent number.
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 23 ways as a sum of consecutive naturals, for example, 59187 + ... + 60446.
It is an arithmetic number, because the mean of its divisors is an integer number (4665726).
Almost surely, 275368790 is an apocalyptic number.
75368790 is a gapful number since it is divisible by the number (70) formed by its first and last digit.
75368790 is an abundant number, since it is smaller than the sum of its proper divisors (148586058).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
75368790 is a wasteful number, since it uses less digits than its factorization.
75368790 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 119653 (or 119650 counting only the distinct ones).
The product of its (nonzero) digits is 317520, while the sum is 45.
The square root of 75368790 is about 8681.5200281978. The cubic root of 75368790 is about 422.4064239618.
The spelling of 75368790 in words is "seventy-five million, three hundred sixty-eight thousand, seven hundred ninety".
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