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228144683 = 1317549591
BaseRepresentation
bin11011001100100…
…11011000101011
3120220021221200002
431212103120223
5431401112213
634345533215
75440124564
oct1546233053
9526257602
10228144683
11107866528
12644a420b
133835c970
142242b16b
1515068658
hexd99362b

228144683 has 4 divisors (see below), whose sum is σ = 245694288. Its totient is φ = 210595080.

The previous prime is 228144677. The next prime is 228144703. The reversal of 228144683 is 386441822.

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 228144683 - 24 = 228144667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (228144083) 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, 8774783 + ... + 8774808.

It is an arithmetic number, because the mean of its divisors is an integer number (61423572).

Almost surely, 2228144683 is an apocalyptic number.

228144683 is a deficient number, since it is larger than the sum of its proper divisors (17549605).

228144683 is a wasteful number, since it uses less digits than its factorization.

228144683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17549604.

The product of its digits is 73728, while the sum is 38.

The square root of 228144683 is about 15104.4590436070. The cubic root of 228144683 is about 611.0406700650.

It can be divided in two parts, 2281 and 44683, that added together give a palindrome (46964).

The spelling of 228144683 in words is "two hundred twenty-eight million, one hundred forty-four thousand, six hundred eighty-three".

Divisors: 1 13 17549591 228144683