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530175481 = 11172835163
BaseRepresentation
bin11111100110011…
…101010111111001
31100221121201000221
4133212131113321
52041211103411
6124335300041
716065263053
oct3746352771
91327551027
10530175481
112522a7760
1212967a621
1385abbc04
14505ac8d3
1531829071
hex1f99d5f9

530175481 has 8 divisors (see below), whose sum is σ = 612395424. Its totient is φ = 453625920.

The previous prime is 530175473. The next prime is 530175521. The reversal of 530175481 is 184571035.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 530175481 - 23 = 530175473 is a prime.

It is a super-2 number, since 2×5301754812 = 562172081307162722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (530175431) 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, 1417395 + ... + 1417768.

It is an arithmetic number, because the mean of its divisors is an integer number (76549428).

Almost surely, 2530175481 is an apocalyptic number.

It is an amenable number.

530175481 is a deficient number, since it is larger than the sum of its proper divisors (82219943).

530175481 is a wasteful number, since it uses less digits than its factorization.

530175481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2835191.

The product of its (nonzero) digits is 16800, while the sum is 34.

The square root of 530175481 is about 23025.5397548027. The cubic root of 530175481 is about 809.3565387102.

The spelling of 530175481 in words is "five hundred thirty million, one hundred seventy-five thousand, four hundred eighty-one".

Divisors: 1 11 17 187 2835163 31186793 48197771 530175481