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825214 = 213171867
BaseRepresentation
bin11001001011101111110
31112220222111
43021131332
5202401324
625404234
710004605
oct3113576
91486874
10825214
11513aa5
1233967a
1322b7c0
14176a3c
15114794
hexc977e

825214 has 16 divisors (see below), whose sum is σ = 1412208. Its totient is φ = 358272.

The previous prime is 825203. The next prime is 825229. The reversal of 825214 is 412528.

825214 is nontrivially palindromic in base 3.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 492 + ... + 1375.

It is an arithmetic number, because the mean of its divisors is an integer number (88263).

2825214 is an apocalyptic number.

825214 is a deficient number, since it is larger than the sum of its proper divisors (586994).

825214 is a wasteful number, since it uses less digits than its factorization.

825214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1899.

The product of its digits is 640, while the sum is 22.

The square root of 825214 is about 908.4129017138. The cubic root of 825214 is about 93.7969814890.

Subtracting from 825214 its reverse (412528), we obtain a triangular number (412686 = T908).

The spelling of 825214 in words is "eight hundred twenty-five thousand, two hundred fourteen".

Divisors: 1 2 13 17 26 34 221 442 1867 3734 24271 31739 48542 63478 412607 825214