Base | Representation |
---|---|
bin | 11111100110000… |
… | …100111110011111 |
3 | 1100221102121221211 |
4 | 133212010332133 |
5 | 2041144404201 |
6 | 124333205251 |
7 | 16064365525 |
oct | 3746047637 |
9 | 1327377854 |
10 | 530075551 |
11 | 252239675 |
12 | 129630827 |
13 | 85a85595 |
14 | 50584315 |
15 | 31809651 |
hex | 1f984f9f |
530075551 has 4 divisors (see below), whose sum is σ = 530123832. Its totient is φ = 530027272.
The previous prime is 530075519. The next prime is 530075561. The reversal of 530075551 is 155570035.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 155570035 = 5 ⋅31114007.
It is a cyclic number.
It is not a de Polignac number, because 530075551 - 25 = 530075519 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (530075561) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1185 + ... + 32581.
It is an arithmetic number, because the mean of its divisors is an integer number (132530958).
Almost surely, 2530075551 is an apocalyptic number.
530075551 is a deficient number, since it is larger than the sum of its proper divisors (48281).
530075551 is a wasteful number, since it uses less digits than its factorization.
530075551 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 48280.
The product of its (nonzero) digits is 13125, while the sum is 31.
The square root of 530075551 is about 23023.3696708366. The cubic root of 530075551 is about 809.3056850565.
The spelling of 530075551 in words is "five hundred thirty million, seventy-five thousand, five hundred fifty-one".
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