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228017112 = 2339500713
BaseRepresentation
bin11011001011101…
…00001111011000
3120220001110200020
431211310033120
5431333021422
634343110440
75436053631
oct1545641730
9526043606
10228017112
111077896a4
1264442420
133831688b
14223d6888
151504095c
hexd9743d8

228017112 has 16 divisors (see below), whose sum is σ = 570042840. Its totient is φ = 76005696.

The previous prime is 228017099. The next prime is 228017117. The reversal of 228017112 is 211710822.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 9500713 = 228017112 / (2 + 2 + 8 + 0 + 1 + 7 + 1 + 1 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228017117) 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, 4750333 + ... + 4750380.

Almost surely, 2228017112 is an apocalyptic number.

It is an amenable number.

228017112 is an abundant number, since it is smaller than the sum of its proper divisors (342025728).

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

228017112 is a wasteful number, since it uses less digits than its factorization.

228017112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9500722 (or 9500718 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 24.

The square root of 228017112 is about 15100.2354948524. The cubic root of 228017112 is about 610.9267575512.

Adding to 228017112 its reverse (211710822), we get a palindrome (439727934).

The spelling of 228017112 in words is "two hundred twenty-eight million, seventeen thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 12 24 9500713 19001426 28502139 38002852 57004278 76005704 114008556 228017112