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297229 = 2312923
BaseRepresentation
bin1001000100100001101
3120002201111
41020210031
534002404
610212021
72345362
oct1104415
9502644
10297229
11193349
12124011
13a539a
147a469
155d104
hex4890d

297229 has 4 divisors (see below), whose sum is σ = 310176. Its totient is φ = 284284.

The previous prime is 297191. The next prime is 297233. The reversal of 297229 is 922792.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 297229 - 217 = 166157 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 297229.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (297289) 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, 6439 + ... + 6484.

It is an arithmetic number, because the mean of its divisors is an integer number (77544).

2297229 is an apocalyptic number.

It is an amenable number.

297229 is a deficient number, since it is larger than the sum of its proper divisors (12947).

297229 is a wasteful number, since it uses less digits than its factorization.

297229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12946.

The product of its digits is 4536, while the sum is 31.

The square root of 297229 is about 545.1871238391. The cubic root of 297229 is about 66.7365461717.

The spelling of 297229 in words is "two hundred ninety-seven thousand, two hundred twenty-nine".

Divisors: 1 23 12923 297229