Base | Representation |
---|---|
bin | 11111010100111… |
… | …010001110101001 |
3 | 1100121221222110202 |
4 | 133110322032221 |
5 | 2034021400311 |
6 | 124052521545 |
7 | 16011212603 |
oct | 3724721651 |
9 | 1317858422 |
10 | 525575081 |
11 | 24a745379 |
12 | 1280202b5 |
13 | 84b6ac95 |
14 | 4db32173 |
15 | 3121ae3b |
hex | 1f53a3a9 |
525575081 has 8 divisors (see below), whose sum is σ = 529392000. Its totient is φ = 521765712.
The previous prime is 525575059. The next prime is 525575087. The reversal of 525575081 is 180575525.
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 525575081 - 214 = 525558697 is a prime.
It is a super-2 number, since 2×5255750812 = 552458331536313122, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (525575087) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 261920 + ... + 263918.
It is an arithmetic number, because the mean of its divisors is an integer number (66174000).
Almost surely, 2525575081 is an apocalyptic number.
It is an amenable number.
525575081 is a deficient number, since it is larger than the sum of its proper divisors (3816919).
525575081 is a wasteful number, since it uses less digits than its factorization.
525575081 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3775.
The product of its (nonzero) digits is 70000, while the sum is 38.
The square root of 525575081 is about 22925.4243363127. The cubic root of 525575081 is about 807.0087717671.
The spelling of 525575081 in words is "five hundred twenty-five million, five hundred seventy-five thousand, eighty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.078 sec. • engine limits •