Base | Representation |
---|---|
bin | 1000111110110… |
… | …11110011011100 |
3 | 12020210010200120 |
4 | 10133123303130 |
5 | 123242133322 |
6 | 11250554540 |
7 | 1603313001 |
oct | 437336334 |
9 | 166703616 |
10 | 75349212 |
11 | 39594a84 |
12 | 21298a50 |
13 | 127c2543 |
14 | a0158a8 |
15 | 6935a5c |
hex | 47dbcdc |
75349212 has 48 divisors (see below), whose sum is σ = 187031040. Its totient is φ = 23542272.
The previous prime is 75349207. The next prime is 75349223. The reversal of 75349212 is 21294357.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20413 + ... + 23819.
It is an arithmetic number, because the mean of its divisors is an integer number (3896480).
Almost surely, 275349212 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 75349212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93515520).
75349212 is an abundant number, since it is smaller than the sum of its proper divisors (111681828).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
75349212 is a wasteful number, since it uses less digits than its factorization.
75349212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3530 (or 3528 counting only the distinct ones).
The product of its digits is 15120, while the sum is 33.
The square root of 75349212 is about 8680.3923874442. The cubic root of 75349212 is about 422.3698456507.
The spelling of 75349212 in words is "seventy-five million, three hundred forty-nine thousand, two hundred twelve".
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