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530423131 = 7563134591
BaseRepresentation
bin11111100111011…
…001110101011011
31100222002021202011
4133213121311123
52041242020011
6124344450351
716100344060
oct3747316533
91328067664
10530423131
11252456827
121297799b7
1385b77854
1450634c67
1531877621
hex1f9d9d5b

530423131 has 8 divisors (see below), whose sum is σ = 607279104. Its totient is φ = 453837480.

The previous prime is 530423129. The next prime is 530423141. The reversal of 530423131 is 131324035.

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 530423131 - 21 = 530423129 is a prime.

It is a super-2 number, since 2×5304231312 = 562697395799686322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (530423141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63355 + ... + 71236.

It is an arithmetic number, because the mean of its divisors is an integer number (75909888).

Almost surely, 2530423131 is an apocalyptic number.

530423131 is a deficient number, since it is larger than the sum of its proper divisors (76855973).

530423131 is a wasteful number, since it uses less digits than its factorization.

530423131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135161.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 530423131 is about 23030.9168510505. The cubic root of 530423131 is about 809.4825384678.

Adding to 530423131 its reverse (131324035), we get a palindrome (661747166).

The spelling of 530423131 in words is "five hundred thirty million, four hundred twenty-three thousand, one hundred thirty-one".

Divisors: 1 7 563 3941 134591 942137 75774733 530423131