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2286945 = 32550821
BaseRepresentation
bin1000101110010101100001
311022012002200
420232111201
51041140240
6121003413
725303323
oct10562541
94265080
102286945
111322241
12923569
13620c2b
14437613
15302930
hex22e561

2286945 has 12 divisors (see below), whose sum is σ = 3964116. Its totient is φ = 1219680.

The previous prime is 2286883. The next prime is 2286953. The reversal of 2286945 is 5496822.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1710864 + 576081 = 1308^2 + 759^2 .

It is not a de Polignac number, because 2286945 - 26 = 2286881 is a prime.

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, 25366 + ... + 25455.

It is an arithmetic number, because the mean of its divisors is an integer number (330343).

22286945 is an apocalyptic number.

It is an amenable number.

2286945 is a deficient number, since it is larger than the sum of its proper divisors (1677171).

2286945 is a wasteful number, since it uses less digits than its factorization.

2286945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50832 (or 50829 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 2286945 is about 1512.2648577548. The cubic root of 2286945 is about 131.7503891672.

The spelling of 2286945 in words is "two million, two hundred eighty-six thousand, nine hundred forty-five".

Divisors: 1 3 5 9 15 45 50821 152463 254105 457389 762315 2286945