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228566284 = 222915113049
BaseRepresentation
bin11011001111110…
…10010100001100
3120221002100222221
431213322110030
5432003110114
634402545124
75443532002
oct1547722414
9527070887
10228566284
11108024261
12646681a4
133847982b
14224daa72
15150ed524
hexd9fa50c

228566284 has 24 divisors (see below), whose sum is σ = 416556000. Its totient is φ = 109603200.

The previous prime is 228566251. The next prime is 228566287. The reversal of 228566284 is 482665822.

It is a self number, because there is not a number n which added to its sum of digits gives 228566284.

It is not an unprimeable number, because it can be changed into a prime (228566287) 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, 10992 + ... + 24040.

It is an arithmetic number, because the mean of its divisors is an integer number (17356500).

Almost surely, 2228566284 is an apocalyptic number.

It is an amenable number.

228566284 is a deficient number, since it is larger than the sum of its proper divisors (187989716).

228566284 is a wasteful number, since it uses less digits than its factorization.

228566284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13233 (or 13231 counting only the distinct ones).

The product of its digits is 368640, while the sum is 43.

The square root of 228566284 is about 15118.4087787042. The cubic root of 228566284 is about 611.4168302422.

The spelling of 228566284 in words is "two hundred twenty-eight million, five hundred sixty-six thousand, two hundred eighty-four".

Divisors: 1 2 4 29 58 116 151 302 604 4379 8758 13049 17516 26098 52196 378421 756842 1513684 1970399 3940798 7881596 57141571 114283142 228566284