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530526431 = 1153460127
BaseRepresentation
bin11111100111110…
…011000011011111
31100222021112110002
4133213303003133
52041303321211
6124351004515
716101254201
oct3747630337
91328245402
10530526431
112525173a6
1212980973b
1385bb2886
1450660771
153189803b
hex1f9f30df

530526431 has 4 divisors (see below), whose sum is σ = 530987712. Its totient is φ = 530065152.

The previous prime is 530526427. The next prime is 530526433. The reversal of 530526431 is 134625035.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 530526431 - 22 = 530526427 is a prime.

It is a super-2 number, since 2×5305264312 = 562916587979195522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 530526394 and 530526403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (530526433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 228911 + ... + 231216.

It is an arithmetic number, because the mean of its divisors is an integer number (132746928).

Almost surely, 2530526431 is an apocalyptic number.

530526431 is a deficient number, since it is larger than the sum of its proper divisors (461281).

530526431 is a wasteful number, since it uses less digits than its factorization.

530526431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461280.

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 530526431 is about 23033.1593794685. The cubic root of 530526431 is about 809.5350840134.

The spelling of 530526431 in words is "five hundred thirty million, five hundred twenty-six thousand, four hundred thirty-one".

Divisors: 1 1153 460127 530526431