Base | Representation |
---|---|
bin | 1000111101111… |
… | …00110001011011 |
3 | 12020112200022222 |
4 | 10132330301123 |
5 | 123224101412 |
6 | 11244134255 |
7 | 1602243302 |
oct | 436746133 |
9 | 166480288 |
10 | 75222107 |
11 | 39508534 |
12 | 2123738b |
13 | 1277972c |
14 | 9dc1439 |
15 | 690d072 |
hex | 47bcc5b |
75222107 has 4 divisors (see below), whose sum is σ = 75445656. Its totient is φ = 74998560.
The previous prime is 75222079. The next prime is 75222139. The reversal of 75222107 is 70122257.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70122257 = 1741 ⋅40277.
It is a cyclic number.
It is not a de Polignac number, because 75222107 - 214 = 75205723 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (75227107) 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, 111269 + ... + 111942.
It is an arithmetic number, because the mean of its divisors is an integer number (18861414).
Almost surely, 275222107 is an apocalyptic number.
75222107 is a deficient number, since it is larger than the sum of its proper divisors (223549).
75222107 is a wasteful number, since it uses less digits than its factorization.
75222107 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 223548.
The product of its (nonzero) digits is 1960, while the sum is 26.
The square root of 75222107 is about 8673.0679116446. The cubic root of 75222107 is about 422.1322163820.
The spelling of 75222107 in words is "seventy-five million, two hundred twenty-two thousand, one hundred seven".
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