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297427 = 13137167
BaseRepresentation
bin1001000100111010011
3120002222211
41020213103
534004202
610212551
72346064
oct1104723
9502884
10297427
11193509
12124157
13a54c0
147a56b
155d1d7
hex489d3

297427 has 8 divisors (see below), whose sum is σ = 324576. Its totient is φ = 270912.

The previous prime is 297421. The next prime is 297439. The reversal of 297427 is 724792.

297427 = 192 + 202 + ... + 962.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 297427 - 215 = 264659 is a prime.

It is a d-powerful number, because it can be written as 23 + 95 + 45 + 76 + 211 + 76 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (297421) 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, 1698 + ... + 1864.

It is an arithmetic number, because the mean of its divisors is an integer number (40572).

2297427 is an apocalyptic number.

297427 is a deficient number, since it is larger than the sum of its proper divisors (27149).

297427 is a wasteful number, since it uses less digits than its factorization.

297427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317.

The product of its digits is 7056, while the sum is 31.

The square root of 297427 is about 545.3686826359. The cubic root of 297427 is about 66.7513617999.

The spelling of 297427 in words is "two hundred ninety-seven thousand, four hundred twenty-seven".

Divisors: 1 13 137 167 1781 2171 22879 297427