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228816908 = 22227252001
BaseRepresentation
bin11011010001101…
…11100000001100
3120221120002210022
431220313200030
5432034120113
634412201312
75445624455
oct1550674014
9527502708
10228816908
11108185591
1264769238
1338536928
142256412c
151514c908
hexda3780c

228816908 has 12 divisors (see below), whose sum is σ = 402195192. Its totient is φ = 113904000.

The previous prime is 228816901. The next prime is 228816911. The reversal of 228816908 is 809618822.

It is not an unprimeable number, because it can be changed into a prime (228816901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125093 + ... + 126908.

It is an arithmetic number, because the mean of its divisors is an integer number (33516266).

Almost surely, 2228816908 is an apocalyptic number.

It is an amenable number.

228816908 is a deficient number, since it is larger than the sum of its proper divisors (173378284).

228816908 is a wasteful number, since it uses less digits than its factorization.

228816908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252232 (or 252230 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 44.

The square root of 228816908 is about 15126.6952107855. The cubic root of 228816908 is about 611.6402224170.

The spelling of 228816908 in words is "two hundred twenty-eight million, eight hundred sixteen thousand, nine hundred eight".

Divisors: 1 2 4 227 454 908 252001 504002 1008004 57204227 114408454 228816908