Base | Representation |
---|---|
bin | 1001000001110… |
… | …00010110101101 |
3 | 12021111101200220 |
4 | 10200320112231 |
5 | 123341301201 |
6 | 11303041553 |
7 | 1606452135 |
oct | 440702655 |
9 | 167441626 |
10 | 75728301 |
11 | 39823880 |
12 | 214402b9 |
13 | 128c5c5c |
14 | a0b3ac5 |
15 | 69ad036 |
hex | 48385ad |
75728301 has 8 divisors (see below), whose sum is σ = 110150304. Its totient is φ = 45895920.
The previous prime is 75728299. The next prime is 75728363. The reversal of 75728301 is 10382757.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 75728301 - 21 = 75728299 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 2294797 = 75728301 / (7 + 5 + 7 + 2 + 8 + 3 + 0 + 1).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (75728371) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1147366 + ... + 1147431.
It is an arithmetic number, because the mean of its divisors is an integer number (13768788).
Almost surely, 275728301 is an apocalyptic number.
It is an amenable number.
75728301 is a deficient number, since it is larger than the sum of its proper divisors (34422003).
75728301 is a wasteful number, since it uses less digits than its factorization.
75728301 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2294811.
The product of its (nonzero) digits is 11760, while the sum is 33.
The square root of 75728301 is about 8702.2009285008. The cubic root of 75728301 is about 423.0769885967.
The spelling of 75728301 in words is "seventy-five million, seven hundred twenty-eight thousand, three hundred one".
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