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BaseRepresentation
bin11011100010010010001
31200211201010
43130102101
5212333124
631201133
710445403
oct3342221
91624633
10902289
115669a3
123761a9
132578cb
14196b73
1512c529
hexdc491

902289 has 8 divisors (see below), whose sum is σ = 1221280. Its totient is φ = 592548.

The previous prime is 902281. The next prime is 902299. The reversal of 902289 is 982209.

It is an ABA number since it can be written as A⋅BA, here for A=3, B=67.

It is not a de Polignac number, because 902289 - 23 = 902281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (902281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13434 + ... + 13500.

It is an arithmetic number, because the mean of its divisors is an integer number (152660).

2902289 is an apocalyptic number.

It is an amenable number.

902289 is a deficient number, since it is larger than the sum of its proper divisors (318991).

902289 is an frugal number, since it uses more digits than its factorization.

902289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204 (or 70 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 902289 is about 949.8889408768. Note that the first 3 decimals coincide. The cubic root of 902289 is about 96.6307212106.

The spelling of 902289 in words is "nine hundred two thousand, two hundred eighty-nine".

Divisors: 1 3 67 201 4489 13467 300763 902289