Base | Representation |
---|---|
bin | 1000111100100… |
… | …00000011100010 |
3 | 12020012101002020 |
4 | 10132100003202 |
5 | 123202221241 |
6 | 11240202310 |
7 | 1600551303 |
oct | 436200342 |
9 | 166171066 |
10 | 75038946 |
11 | 393a2964 |
12 | 21169396 |
13 | 12714258 |
14 | 9d747aa |
15 | 68c3b66 |
hex | 47900e2 |
75038946 has 8 divisors (see below), whose sum is σ = 150077904. Its totient is φ = 25012980.
The previous prime is 75038927. The next prime is 75038947. The reversal of 75038946 is 64983057.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
75038946 is an admirable number.
It is a junction number, because it is equal to n+sod(n) for n = 75038898 and 75038907.
It is not an unprimeable number, because it can be changed into a prime (75038947) 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, 6253240 + ... + 6253251.
It is an arithmetic number, because the mean of its divisors is an integer number (18759738).
Almost surely, 275038946 is an apocalyptic number.
75038946 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
75038946 is a wasteful number, since it uses less digits than its factorization.
75038946 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12506496.
The product of its (nonzero) digits is 181440, while the sum is 42.
The square root of 75038946 is about 8662.5022943720. The cubic root of 75038946 is about 421.7893163051.
The spelling of 75038946 in words is "seventy-five million, thirty-eight thousand, nine hundred forty-six".
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