Base | Representation |
---|---|
bin | 1001000010110… |
… | …11011101000101 |
3 | 12021202200220122 |
4 | 10201123131011 |
5 | 123410401234 |
6 | 11310111325 |
7 | 1610621240 |
oct | 441333505 |
9 | 167680818 |
10 | 75872069 |
11 | 39911899 |
12 | 214ab545 |
13 | 12946520 |
14 | a110257 |
15 | 69da92e |
hex | 485b745 |
75872069 has 8 divisors (see below), whose sum is σ = 93381120. Its totient is φ = 60030576.
The previous prime is 75872063. The next prime is 75872077. The reversal of 75872069 is 96027857.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 75872069 - 220 = 74823493 is a prime.
It is a super-2 number, since 2×758720692 = 11513141708681522, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (75872063) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 416789 + ... + 416970.
It is an arithmetic number, because the mean of its divisors is an integer number (11672640).
Almost surely, 275872069 is an apocalyptic number.
It is an amenable number.
75872069 is a deficient number, since it is larger than the sum of its proper divisors (17509051).
75872069 is a wasteful number, since it uses less digits than its factorization.
75872069 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 833779.
The product of its (nonzero) digits is 211680, while the sum is 44.
The square root of 75872069 is about 8710.4574506739. The cubic root of 75872069 is about 423.3445525096.
It can be divided in two parts, 758 and 72069, that added together give a palindrome (72827).
The spelling of 75872069 in words is "seventy-five million, eight hundred seventy-two thousand, sixty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •