Base | Representation |
---|---|
bin | 11111010101111… |
… | …000101001101001 |
3 | 1100122102222012101 |
4 | 133111320221221 |
5 | 2034103041021 |
6 | 124102213401 |
7 | 16013326201 |
oct | 3725705151 |
9 | 1318388171 |
10 | 525830761 |
11 | 24a8aa485 |
12 | 128124261 |
13 | 84c2a481 |
14 | 4db9b401 |
15 | 3126ba91 |
hex | 1f578a69 |
525830761 has 9 divisors (see below), whose sum is σ = 550238871. Its totient is φ = 502464072.
The previous prime is 525830749. The next prime is 525830771. The reversal of 525830761 is 167038525.
The square root of 525830761 is 22931.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in only one way, i.e., 452625625 + 73205136 = 21275^2 + 8556^2 .
It is not a de Polignac number, because 525830761 - 27 = 525830633 is a prime.
It is an alternating number because its digits alternate between odd and even.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 525830761.
It is not an unprimeable number, because it can be changed into a prime (525830741) 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 8 ways as a sum of consecutive naturals, for example, 526915 + ... + 527911.
Almost surely, 2525830761 is an apocalyptic number.
525830761 is the 22931-st square number.
525830761 is the 11466-th centered octagonal number.
It is an amenable number.
525830761 is a deficient number, since it is larger than the sum of its proper divisors (24408110).
525830761 is an frugal number, since it uses more digits than its factorization.
525830761 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2040 (or 1020 counting only the distinct ones).
The product of its (nonzero) digits is 50400, while the sum is 37.
The cubic root of 525830761 is about 807.1396141910.
The spelling of 525830761 in words is "five hundred twenty-five million, eight hundred thirty thousand, seven hundred sixty-one".
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