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530021227 = 4112927347
BaseRepresentation
bin11111100101110…
…111101101101011
31100221022212102211
4133211313231223
52041141134402
6124332105551
716064051251
oct3745675553
91327285384
10530021227
1125220187a
121296052b7
1385a66938
145056c5d1
15317e84d7
hex1f977b6b

530021227 has 4 divisors (see below), whose sum is σ = 542948616. Its totient is φ = 517093840.

The previous prime is 530021213. The next prime is 530021231. The reversal of 530021227 is 722120035.

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 530021227 - 219 = 529496939 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 530021198 and 530021207.

It is not an unprimeable number, because it can be changed into a prime (530024227) 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, 6463633 + ... + 6463714.

It is an arithmetic number, because the mean of its divisors is an integer number (135737154).

Almost surely, 2530021227 is an apocalyptic number.

530021227 is a deficient number, since it is larger than the sum of its proper divisors (12927389).

530021227 is a wasteful number, since it uses less digits than its factorization.

530021227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12927388.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 530021227 is about 23022.1898828065. The cubic root of 530021227 is about 809.2780372845.

The spelling of 530021227 in words is "five hundred thirty million, twenty-one thousand, two hundred twenty-seven".

Divisors: 1 41 12927347 530021227