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531056227 = 13375918713
BaseRepresentation
bin11111101001110…
…100011001100011
31101000021110012011
4133221310121203
52041422244402
6124410213351
716105621612
oct3751643143
91330243164
10531056227
11252849449
12129a24257
1386039a70
145075b879
153194eed7
hex1fa74663

531056227 has 16 divisors (see below), whose sum is σ = 597350880. Its totient is φ = 468847872.

The previous prime is 531056191. The next prime is 531056263. The reversal of 531056227 is 722650135.

It is an interprime number because it is at equal distance from previous prime (531056191) and next prime (531056263).

It is a cyclic number.

It is not a de Polignac number, because 531056227 - 227 = 396838499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (531056027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19023 + ... + 37735.

It is an arithmetic number, because the mean of its divisors is an integer number (37334430).

Almost surely, 2531056227 is an apocalyptic number.

531056227 is a deficient number, since it is larger than the sum of its proper divisors (66294653).

531056227 is a wasteful number, since it uses less digits than its factorization.

531056227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18822.

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 531056227 is about 23044.6572332938. The cubic root of 531056227 is about 809.8044678666.

The spelling of 531056227 in words is "five hundred thirty-one million, fifty-six thousand, two hundred twenty-seven".

Divisors: 1 13 37 59 481 767 2183 18713 28379 243269 692381 1104067 9000953 14352871 40850479 531056227