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2288312 = 231322003
BaseRepresentation
bin1000101110101010111000
311022020222022
420232222320
51041211222
6121014012
725310315
oct10565270
94266868
102288312
111323274
12924308
13621740
14437d0c
15303042
hex22eab8

2288312 has 16 divisors (see below), whose sum is σ = 4620840. Its totient is φ = 1056096.

The previous prime is 2288291. The next prime is 2288323. The reversal of 2288312 is 2138822.

2288312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 10898 + ... + 11105.

22288312 is an apocalyptic number.

It is an amenable number.

2288312 is an abundant number, since it is smaller than the sum of its proper divisors (2332528).

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

2288312 is a wasteful number, since it uses less digits than its factorization.

2288312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22022 (or 22018 counting only the distinct ones).

The product of its digits is 1536, while the sum is 26.

The square root of 2288312 is about 1512.7167613271. The cubic root of 2288312 is about 131.7766347931.

The spelling of 2288312 in words is "two million, two hundred eighty-eight thousand, three hundred twelve".

Divisors: 1 2 4 8 13 26 52 104 22003 44006 88012 176024 286039 572078 1144156 2288312