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2288155 = 523101197
BaseRepresentation
bin1000101110101000011011
311022020202111
420232220123
51041210110
6121013151
725310002
oct10565033
94266674
102288155
111323141
129241b7
1362164c
14437c39
15302e8a
hex22ea1b

2288155 has 16 divisors (see below), whose sum is σ = 2908224. Its totient is φ = 1724800.

The previous prime is 2288123. The next prime is 2288161. The reversal of 2288155 is 5518822.

2288155 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2288155 - 25 = 2288123 is a prime.

It is a d-powerful number, because it can be written as 27 + 216 + 84 + 86 + 1 + 55 + 59 .

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11517 + ... + 11713.

It is an arithmetic number, because the mean of its divisors is an integer number (181764).

22288155 is an apocalyptic number.

2288155 is a deficient number, since it is larger than the sum of its proper divisors (620069).

2288155 is a wasteful number, since it uses less digits than its factorization.

2288155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326.

The product of its digits is 6400, while the sum is 31.

The square root of 2288155 is about 1512.6648670476. The cubic root of 2288155 is about 131.7736210134.

The spelling of 2288155 in words is "two million, two hundred eighty-eight thousand, one hundred fifty-five".

Divisors: 1 5 23 101 115 197 505 985 2323 4531 11615 19897 22655 99485 457631 2288155