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228039107 = 1368716661
BaseRepresentation
bin11011001011110…
…01100111000011
3120220002120211212
431211321213003
5431334222412
634343400335
75436205022
oct1545714703
9526076755
10228039107
111077a417a
12644530ab
13383238aa
14224008b9
1515047222
hexd9799c3

228039107 has 4 divisors (see below), whose sum is σ = 228069456. Its totient is φ = 228008760.

The previous prime is 228039067. The next prime is 228039127. The reversal of 228039107 is 701930822.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 228039107 - 28 = 228038851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (228039127) 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, 5357 + ... + 22017.

It is an arithmetic number, because the mean of its divisors is an integer number (57017364).

Almost surely, 2228039107 is an apocalyptic number.

228039107 is a deficient number, since it is larger than the sum of its proper divisors (30349).

228039107 is a wasteful number, since it uses less digits than its factorization.

228039107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30348.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 228039107 is about 15100.9637771899. The cubic root of 228039107 is about 610.9464006705.

Adding to 228039107 its reverse (701930822), we get a palindrome (929969929).

The spelling of 228039107 in words is "two hundred twenty-eight million, thirty-nine thousand, one hundred seven".

Divisors: 1 13687 16661 228039107