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530056813 = 111319195089
BaseRepresentation
bin11111100110000…
…000011001101101
31100221101200020211
4133212000121231
52041143304223
6124332542421
716064260066
oct3746003155
91327350224
10530056813
11252226590
12129621a11
1385a79bb0
145057b56d
1531803d0d
hex1f98066d

530056813 has 16 divisors (see below), whose sum is σ = 655502400. Its totient is φ = 421390080.

The previous prime is 530056811. The next prime is 530056837. The reversal of 530056813 is 318650035.

It is a cyclic number.

It is not a de Polignac number, because 530056813 - 21 = 530056811 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (530056811) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94828 + ... + 100261.

It is an arithmetic number, because the mean of its divisors is an integer number (40968900).

Almost surely, 2530056813 is an apocalyptic number.

It is an amenable number.

530056813 is a deficient number, since it is larger than the sum of its proper divisors (125445587).

530056813 is a wasteful number, since it uses less digits than its factorization.

530056813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195132.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 530056813 is about 23022.9627328891. The cubic root of 530056813 is about 809.2961487124.

The spelling of 530056813 in words is "five hundred thirty million, fifty-six thousand, eight hundred thirteen".

Divisors: 1 11 13 19 143 209 247 2717 195089 2145979 2536157 3706691 27897727 40773601 48186983 530056813