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444287 is a prime number
BaseRepresentation
bin1101100011101111111
3211120110002
41230131333
5103204122
613304515
73530204
oct1543577
9746402
10444287
11283888
1219513b
131272bc
14b7cab
158b992
hex6c77f

444287 has 2 divisors, whose sum is σ = 444288. Its totient is φ = 444286.

The previous prime is 444281. The next prime is 444289. The reversal of 444287 is 782444.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 444287 - 24 = 444271 is a prime.

Together with 444289, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (444281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222143 + 222144.

It is an arithmetic number, because the mean of its divisors is an integer number (222144).

2444287 is an apocalyptic number.

444287 is a deficient number, since it is larger than the sum of its proper divisors (1).

444287 is an equidigital number, since it uses as much as digits as its factorization.

444287 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7168, while the sum is 29.

The square root of 444287 is about 666.5485728737. The cubic root of 444287 is about 76.3052703277.

The spelling of 444287 in words is "four hundred forty-four thousand, two hundred eighty-seven".