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530020045 = 5106004009
BaseRepresentation
bin11111100101110…
…111011011001101
31100221022210211001
4133211313123031
52041141120140
6124332100301
716064044642
oct3745673315
91327283731
10530020045
112522009a5
12129604691
1385a66239
145056bdc9
15317e7e9a
hex1f9776cd

530020045 has 4 divisors (see below), whose sum is σ = 636024060. Its totient is φ = 424016032.

The previous prime is 530020031. The next prime is 530020063. The reversal of 530020045 is 540020035.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 403929604 + 126090441 = 20098^2 + 11229^2 .

It is a cyclic number.

It is not a de Polignac number, because 530020045 - 25 = 530020013 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53002000 + ... + 53002009.

It is an arithmetic number, because the mean of its divisors is an integer number (159006015).

Almost surely, 2530020045 is an apocalyptic number.

It is an amenable number.

530020045 is a deficient number, since it is larger than the sum of its proper divisors (106004015).

530020045 is a wasteful number, since it uses less digits than its factorization.

530020045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106004014.

The product of its (nonzero) digits is 600, while the sum is 19.

The square root of 530020045 is about 23022.1642119068. The cubic root of 530020045 is about 809.2774356939.

The spelling of 530020045 in words is "five hundred thirty million, twenty thousand, forty-five".

Divisors: 1 5 106004009 530020045