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297043 = 1392137
BaseRepresentation
bin1001000100001010011
3120002110121
41020201103
534001133
610211111
72345005
oct1104123
9502417
10297043
1119319a
12123a97
13a5286
147a375
155d02d
hex48853

297043 has 4 divisors (see below), whose sum is σ = 299320. Its totient is φ = 294768.

The previous prime is 297023. The next prime is 297049. The reversal of 297043 is 340792.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 297043 - 213 = 288851 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 296999 and 297017.

It is not an unprimeable number, because it can be changed into a prime (297049) 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, 930 + ... + 1207.

It is an arithmetic number, because the mean of its divisors is an integer number (74830).

2297043 is an apocalyptic number.

297043 is a deficient number, since it is larger than the sum of its proper divisors (2277).

297043 is a wasteful number, since it uses less digits than its factorization.

297043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2276.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 297043 is about 545.0165135113. The cubic root of 297043 is about 66.7226224655.

The spelling of 297043 in words is "two hundred ninety-seven thousand, forty-three".

Divisors: 1 139 2137 297043