Base | Representation |
---|---|
bin | 11111101000000… |
… | …110011100111001 |
3 | 1100222102120102200 |
4 | 133220012130321 |
5 | 2041313342011 |
6 | 124352420413 |
7 | 16102034631 |
oct | 3750063471 |
9 | 1328376380 |
10 | 530605881 |
11 | 252571063 |
12 | 129847709 |
13 | 85c0caa0 |
14 | 506816c1 |
15 | 318b1856 |
hex | 1fa06739 |
530605881 has 24 divisors (see below), whose sum is σ = 826215936. Its totient is φ = 326198880.
The previous prime is 530605879. The next prime is 530605903. The reversal of 530605881 is 188506035.
It is not a de Polignac number, because 530605881 - 21 = 530605879 is a prime.
It is a super-2 number, since 2×5306058812 = 563085201903572322, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (530605841) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 170566 + ... + 173648.
It is an arithmetic number, because the mean of its divisors is an integer number (34425664).
Almost surely, 2530605881 is an apocalyptic number.
It is an amenable number.
530605881 is a deficient number, since it is larger than the sum of its proper divisors (295610055).
530605881 is a wasteful number, since it uses less digits than its factorization.
530605881 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4573 (or 4570 counting only the distinct ones).
The product of its (nonzero) digits is 28800, while the sum is 36.
The square root of 530605881 is about 23034.8840023127. The cubic root of 530605881 is about 809.5754931544.
The spelling of 530605881 in words is "five hundred thirty million, six hundred five thousand, eight hundred eighty-one".
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