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2287086285 = 351113861129
BaseRepresentation
bin1000100001010010…
…0010101011001101
312220101120000120110
42020110202223031
514140443230120
61014540110233
7110450625021
oct21024425315
95811500513
102287086285
11a74000860
12539b35379
132a5aa32c3
14179a6a381
15d5bc02e0
hex88522acd

2287086285 has 16 divisors (see below), whose sum is σ = 3992005440. Its totient is φ = 1108890240.

The previous prime is 2287086283. The next prime is 2287086299. The reversal of 2287086285 is 5826807822.

It is not a de Polignac number, because 2287086285 - 21 = 2287086283 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2287086281) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 6930400 + ... + 6930729.

It is an arithmetic number, because the mean of its divisors is an integer number (249500340).

Almost surely, 22287086285 is an apocalyptic number.

It is an amenable number.

2287086285 is a deficient number, since it is larger than the sum of its proper divisors (1704919155).

2287086285 is a wasteful number, since it uses less digits than its factorization.

2287086285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13861148.

The product of its (nonzero) digits is 860160, while the sum is 48.

The square root of 2287086285 is about 47823.4909328041. The cubic root of 2287086285 is about 1317.5310224372.

The spelling of 2287086285 in words is "two billion, two hundred eighty-seven million, eighty-six thousand, two hundred eighty-five".

Divisors: 1 3 5 11 15 33 55 165 13861129 41583387 69305645 152472419 207916935 457417257 762362095 2287086285