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228545338 = 27193792267
BaseRepresentation
bin11011001111101…
…01001100111010
3120221001022021011
431213311030322
5432001422323
634402304134
75443413640
oct1547651472
9527038234
10228545338
1110800a54a
126465804a
1338470138
14224d3190
15150e720d
hexd9f533a

228545338 has 32 divisors (see below), whose sum is σ = 413683200. Its totient is φ = 92507184.

The previous prime is 228545321. The next prime is 228545353. The reversal of 228545338 is 833545822.

228545338 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 228545338.

It is an unprimeable number.

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, 99681 + ... + 101947.

It is an arithmetic number, because the mean of its divisors is an integer number (12927600).

Almost surely, 2228545338 is an apocalyptic number.

228545338 is a deficient number, since it is larger than the sum of its proper divisors (185137862).

228545338 is a wasteful number, since it uses less digits than its factorization.

228545338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2674.

The product of its digits is 230400, while the sum is 40.

The square root of 228545338 is about 15117.7160312000. The cubic root of 228545338 is about 611.3981527599.

The spelling of 228545338 in words is "two hundred twenty-eight million, five hundred forty-five thousand, three hundred thirty-eight".

Divisors: 1 2 7 14 19 38 133 266 379 758 2267 2653 4534 5306 7201 14402 15869 31738 43073 50407 86146 100814 301511 603022 859193 1718386 6014351 12028702 16324667 32649334 114272669 228545338