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286214 = 2143107
BaseRepresentation
bin1000101111000000110
3112112121112
41011320012
533124324
610045022
72301305
oct1057006
9475545
10286214
11186045
12119772
13a0376
147643c
1559c0e
hex45e06

286214 has 4 divisors (see below), whose sum is σ = 429324. Its totient is φ = 143106.

The previous prime is 286199. The next prime is 286243. The reversal of 286214 is 412682.

Added to its reverse (412682) it gives a square (698896 = 8362).

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 412682 = 2206341.

It is a self number, because there is not a number n which added to its sum of digits gives 286214.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 286214.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71552 + ... + 71555.

It is an arithmetic number, because the mean of its divisors is an integer number (107331).

2286214 is an apocalyptic number.

286214 is a deficient number, since it is larger than the sum of its proper divisors (143110).

286214 is a wasteful number, since it uses less digits than its factorization.

286214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143109.

The product of its digits is 768, while the sum is 23.

The square root of 286214 is about 534.9897195274. The cubic root of 286214 is about 65.9017515843.

Adding to 286214 its reverse (412682), we get a palindrome (698896).

The spelling of 286214 in words is "two hundred eighty-six thousand, two hundred fourteen".

Divisors: 1 2 143107 286214