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228808095 = 3579293659
BaseRepresentation
bin11011010001101…
…01010110011111
3120221112122200220
431220311112133
5432033324340
634412052423
75445556665
oct1550652637
9527478626
10228808095
111081799aa
1264764113
1338532909
1422560c35
1515149ed0
hexda3559f

228808095 has 32 divisors (see below), whose sum is σ = 372556800. Its totient is φ = 119892864.

The previous prime is 228808093. The next prime is 228808109. The reversal of 228808095 is 590808822.

It is not a de Polignac number, because 228808095 - 21 = 228808093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228808093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 346876 + ... + 347534.

It is an arithmetic number, because the mean of its divisors is an integer number (11642400).

Almost surely, 2228808095 is an apocalyptic number.

228808095 is a deficient number, since it is larger than the sum of its proper divisors (143748705).

228808095 is a wasteful number, since it uses less digits than its factorization.

228808095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1039.

The product of its (nonzero) digits is 92160, while the sum is 42.

The square root of 228808095 is about 15126.4039017871. The cubic root of 228808095 is about 611.6323697711.

The spelling of 228808095 in words is "two hundred twenty-eight million, eight hundred eight thousand, ninety-five".

Divisors: 1 3 5 15 79 237 293 395 659 879 1185 1465 1977 3295 4395 9885 23147 52061 69441 115735 156183 193087 260305 347205 579261 780915 965435 2896305 15253873 45761619 76269365 228808095