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287314 = 2971481
BaseRepresentation
bin1000110001001010010
3112121010021
41012021102
533143224
610054054
72304436
oct1061122
9477107
10287314
11186955
1211a32a
13a0a11
14769c6
155a1e4
hex46252

287314 has 8 divisors (see below), whose sum is σ = 435708. Its totient is φ = 142080.

The previous prime is 287297. The next prime is 287321. The reversal of 287314 is 413782.

It can be written as a sum of positive squares in 2 ways, for example, as 286225 + 1089 = 535^2 + 33^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 547 + ... + 934.

2287314 is an apocalyptic number.

287314 is a deficient number, since it is larger than the sum of its proper divisors (148394).

287314 is a wasteful number, since it uses less digits than its factorization.

287314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1580.

The product of its digits is 1344, while the sum is 25.

The square root of 287314 is about 536.0167907818. The cubic root of 287314 is about 65.9860699098.

The spelling of 287314 in words is "two hundred eighty-seven thousand, three hundred fourteen".

Divisors: 1 2 97 194 1481 2962 143657 287314