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530002523 = 1731176619
BaseRepresentation
bin11111100101110…
…011001001011011
31100221021220210002
4133211303021123
52041140040043
6124331443215
716063642601
oct3745631133
91327256702
10530002523
11252199816
121295b650b
1385a5b27b
1450565871
15317e2bb8
hex1f97325b

530002523 has 4 divisors (see below), whose sum is σ = 561179160. Its totient is φ = 498825888.

The previous prime is 530002519. The next prime is 530002573. The reversal of 530002523 is 325200035.

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 530002523 - 22 = 530002519 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 530002495 and 530002504.

It is not an unprimeable number, because it can be changed into a prime (530002513) 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, 15588293 + ... + 15588326.

It is an arithmetic number, because the mean of its divisors is an integer number (140294790).

Almost surely, 2530002523 is an apocalyptic number.

530002523 is a deficient number, since it is larger than the sum of its proper divisors (31176637).

530002523 is a wasteful number, since it uses less digits than its factorization.

530002523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31176636.

The product of its (nonzero) digits is 900, while the sum is 20.

The square root of 530002523 is about 23021.7836624359. The cubic root of 530002523 is about 809.2685175937.

Adding to 530002523 its reverse (325200035), we get a palindrome (855202558).

The spelling of 530002523 in words is "five hundred thirty million, two thousand, five hundred twenty-three".

Divisors: 1 17 31176619 530002523