Base | Representation |
---|---|
bin | 1000111101110… |
… | …10111110010110 |
3 | 12020112022020012 |
4 | 10132322332112 |
5 | 123223332432 |
6 | 11244040222 |
7 | 1602212651 |
oct | 436727626 |
9 | 166468205 |
10 | 75214742 |
11 | 39502a49 |
12 | 21233072 |
13 | 12776285 |
14 | 9dbc898 |
15 | 690acb2 |
hex | 47baf96 |
75214742 has 8 divisors (see below), whose sum is σ = 116461632. Its totient is φ = 36394200.
The previous prime is 75214739. The next prime is 75214751. The reversal of 75214742 is 24741257.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 75214699 and 75214708.
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 3 ways as a sum of consecutive naturals, for example, 606509 + ... + 606632.
It is an arithmetic number, because the mean of its divisors is an integer number (14557704).
Almost surely, 275214742 is an apocalyptic number.
75214742 is a deficient number, since it is larger than the sum of its proper divisors (41246890).
75214742 is a wasteful number, since it uses less digits than its factorization.
75214742 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1213174.
The product of its digits is 15680, while the sum is 32.
The square root of 75214742 is about 8672.6433110096. The cubic root of 75214742 is about 422.1184389374.
Adding to 75214742 its reverse (24741257), we get a palindrome (99955999).
It can be divided in two parts, 75 and 214742, that multiplied together give a triangular number (16105650 = T5675).
The spelling of 75214742 in words is "seventy-five million, two hundred fourteen thousand, seven hundred forty-two".
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