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228665708 = 22173362731
BaseRepresentation
bin11011010000100…
…10100101101100
3120221021102101022
431220102211230
5432014300313
634405033312
75444424605
oct1550224554
9527242338
10228665708
11108091a27
12646b5838
13384b2b6b
1422524dac
151511cc08
hexda1296c

228665708 has 12 divisors (see below), whose sum is σ = 423704232. Its totient is φ = 107607360.

The previous prime is 228665699. The next prime is 228665719. The reversal of 228665708 is 807566822.

It is an unprimeable number.

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, 1681298 + ... + 1681433.

It is an arithmetic number, because the mean of its divisors is an integer number (35308686).

Almost surely, 2228665708 is an apocalyptic number.

It is an amenable number.

228665708 is a deficient number, since it is larger than the sum of its proper divisors (195038524).

228665708 is a wasteful number, since it uses less digits than its factorization.

228665708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3362752 (or 3362750 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 44.

The square root of 228665708 is about 15121.6965979350. The cubic root of 228665708 is about 611.5054707505.

The spelling of 228665708 in words is "two hundred twenty-eight million, six hundred sixty-five thousand, seven hundred eight".

Divisors: 1 2 4 17 34 68 3362731 6725462 13450924 57166427 114332854 228665708