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228016044 = 223210361493
BaseRepresentation
bin11011001011100…
…11111110101100
3120220001102012200
431211303332230
5431333003134
634343101500
75436050544
oct1545637654
9526042180
10228016044
11107788913
1264441890
1338316249
14223d6324
1515040499
hexd973fac

228016044 has 36 divisors (see below), whose sum is σ = 581979216. Its totient is φ = 75266208.

The previous prime is 228016039. The next prime is 228016051. The reversal of 228016044 is 440610822.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 228015999 and 228016017.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27039 + ... + 34454.

Almost surely, 2228016044 is an apocalyptic number.

It is an amenable number.

228016044 is an abundant number, since it is smaller than the sum of its proper divisors (353963172).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

228016044 is a wasteful number, since it uses less digits than its factorization.

228016044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61606 (or 61601 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 228016044 is about 15100.2001311241. The cubic root of 228016044 is about 610.9258037181.

Adding to 228016044 its reverse (440610822), we get a palindrome (668626866).

The spelling of 228016044 in words is "two hundred twenty-eight million, sixteen thousand, forty-four".

Divisors: 1 2 3 4 6 9 12 18 36 103 206 309 412 618 927 1236 1854 3708 61493 122986 184479 245972 368958 553437 737916 1106874 2213748 6333779 12667558 19001337 25335116 38002674 57004011 76005348 114008022 228016044