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289292 = 22312333
BaseRepresentation
bin1000110101000001100
3112200211112
41012220030
533224132
610111152
72313263
oct1065014
9480745
10289292
11188393
1211b4b8
13a18a3
14775da
155aab2
hex46a0c

289292 has 12 divisors (see below), whose sum is σ = 522816. Its totient is φ = 139920.

The previous prime is 289291. The next prime is 289297. The reversal of 289292 is 292982.

It is a super-2 number, since 2×2892922 = 167379722528, which contains 22 as substring.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 289292.

It is not an unprimeable number, because it can be changed into a prime (289291) by changing a digit.

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, 1043 + ... + 1290.

It is an arithmetic number, because the mean of its divisors is an integer number (43568).

2289292 is an apocalyptic number.

It is an amenable number.

289292 is a deficient number, since it is larger than the sum of its proper divisors (233524).

289292 is a wasteful number, since it uses less digits than its factorization.

289292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2368 (or 2366 counting only the distinct ones).

The product of its digits is 5184, while the sum is 32.

The square root of 289292 is about 537.8587175086. The cubic root of 289292 is about 66.1371497574.

The spelling of 289292 in words is "two hundred eighty-nine thousand, two hundred ninety-two".

Divisors: 1 2 4 31 62 124 2333 4666 9332 72323 144646 289292