Base | Representation |
---|---|
bin | 1000111110010… |
… | …00001010010011 |
3 | 12020122001022200 |
4 | 10133020022103 |
5 | 123232100010 |
6 | 11245134243 |
7 | 1602526302 |
oct | 437101223 |
9 | 166561280 |
10 | 75268755 |
11 | 3953a591 |
12 | 2125a383 |
13 | 12794a33 |
14 | 9dd4439 |
15 | 691bcc0 |
hex | 47c8293 |
75268755 has 12 divisors (see below), whose sum is σ = 130465920. Its totient is φ = 40143312.
The previous prime is 75268729. The next prime is 75268757. The reversal of 75268755 is 55786257.
It is not a de Polignac number, because 75268755 - 25 = 75268723 is a prime.
It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.
It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 1672639 = 75268755 / (7 + 5 + 2 + 6 + 8 + 7 + 5 + 5).
It is a self number, because there is not a number n which added to its sum of digits gives 75268755.
It is not an unprimeable number, because it can be changed into a prime (75268757) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 836275 + ... + 836364.
It is an arithmetic number, because the mean of its divisors is an integer number (10872160).
Almost surely, 275268755 is an apocalyptic number.
75268755 is a deficient number, since it is larger than the sum of its proper divisors (55197165).
75268755 is a wasteful number, since it uses less digits than its factorization.
75268755 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1672650 (or 1672647 counting only the distinct ones).
The product of its digits is 588000, while the sum is 45.
The square root of 75268755 is about 8675.7567393283. The cubic root of 75268755 is about 422.2194582639.
The spelling of 75268755 in words is "seventy-five million, two hundred sixty-eight thousand, seven hundred fifty-five".
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