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228333105 = 3257111337137
BaseRepresentation
bin11011001110000…
…01011000110001
3120220122112010200
431213001120301
5431423124410
634353545413
75441541120
oct1547013061
9526575120
10228333105
11107985050
1264575269
13383c7660
1422479ab7
15150a43c0
hexd9c1631

228333105 has 192 divisors, whose sum is σ = 549739008. Its totient is φ = 84602880.

The previous prime is 228333067. The next prime is 228333151. The reversal of 228333105 is 501333822.

Adding to 228333105 its reverse (501333822), we get a palindrome (729666927).

It can be divided in two parts, 228 and 333105, that added together give a palindrome (333333).

228333105 = T110 + T111 + ... + T1110.

228333105 is a `hidden beast` number, since 228 + 333 + 105 = 666.

It is not a de Polignac number, because 228333105 - 26 = 228333041 is a prime.

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 191 ways as a sum of consecutive naturals, for example, 1666597 + ... + 1666733.

It is an arithmetic number, because the mean of its divisors is an integer number (2863224).

Almost surely, 2228333105 is an apocalyptic number.

It is an amenable number.

228333105 is an abundant number, since it is smaller than the sum of its proper divisors (321405903).

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

228333105 is a wasteful number, since it uses less digits than its factorization.

228333105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216 (or 213 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 228333105 is about 15110.6950535043. The cubic root of 228333105 is about 611.2088408684.

The spelling of 228333105 in words is "two hundred twenty-eight million, three hundred thirty-three thousand, one hundred five".