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228662650 = 25215729129
BaseRepresentation
bin11011010000100…
…01110101111010
3120221021021012001
431220101311322
5432014201100
634405011214
75444412646
oct1550216572
9527237161
10228662650
1110808a6a7
12646b3b0a
13384b1658
1422523c26
151511bd6a
hexda11d7a

228662650 has 24 divisors (see below), whose sum is σ = 428036220. Its totient is φ = 90879360.

The previous prime is 228662647. The next prime is 228662677. The reversal of 228662650 is 56266822.

228662650 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 36036009 + 192626641 = 6003^2 + 13879^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6715 + ... + 22414.

Almost surely, 2228662650 is an apocalyptic number.

228662650 is a deficient number, since it is larger than the sum of its proper divisors (199373570).

228662650 is a wasteful number, since it uses less digits than its factorization.

228662650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29298 (or 29293 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 228662650 is about 15121.5954846041. The cubic root of 228662650 is about 611.5027448031.

The spelling of 228662650 in words is "two hundred twenty-eight million, six hundred sixty-two thousand, six hundred fifty".

Divisors: 1 2 5 10 25 50 157 314 785 1570 3925 7850 29129 58258 145645 291290 728225 1456450 4573253 9146506 22866265 45732530 114331325 228662650