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228045383 = 4312774153
BaseRepresentation
bin11011001011110…
…11001001000111
3120220002220110022
431211323021013
5431334423013
634343445355
75436232226
oct1545731107
9526086408
10228045383
111077a8965
126445685b
13383266c7
1422402cbd
1515049008
hexd97b247

228045383 has 8 divisors (see below), whose sum is σ = 233587728. Its totient is φ = 222513984.

The previous prime is 228045373. The next prime is 228045401. The reversal of 228045383 is 383540822.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 228045383 - 28 = 228045127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228045343) 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, 52835 + ... + 56987.

It is an arithmetic number, because the mean of its divisors is an integer number (29198466).

Almost surely, 2228045383 is an apocalyptic number.

228045383 is a deficient number, since it is larger than the sum of its proper divisors (5542345).

228045383 is a wasteful number, since it uses less digits than its factorization.

228045383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5473.

The product of its (nonzero) digits is 46080, while the sum is 35.

The square root of 228045383 is about 15101.1715770665. The cubic root of 228045383 is about 610.9520053589.

The spelling of 228045383 in words is "two hundred twenty-eight million, forty-five thousand, three hundred eighty-three".

Divisors: 1 43 1277 4153 54911 178579 5303381 228045383