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4028287 is a prime number
BaseRepresentation
bin1111010111011101111111
321120122202211
433113131333
52012401122
6222201251
746145164
oct17273577
97518684
104028287
11230156a
121423227
13ab0703
1476c06b
15548877
hex3d777f

4028287 has 2 divisors, whose sum is σ = 4028288. Its totient is φ = 4028286.

The previous prime is 4028281. The next prime is 4028293. The reversal of 4028287 is 7828204.

It is a balanced prime because it is at equal distance from previous prime (4028281) and next prime (4028293).

It is a cyclic number.

It is not a de Polignac number, because 4028287 - 23 = 4028279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4028281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2014143 + 2014144.

It is an arithmetic number, because the mean of its divisors is an integer number (2014144).

Almost surely, 24028287 is an apocalyptic number.

4028287 is a deficient number, since it is larger than the sum of its proper divisors (1).

4028287 is an equidigital number, since it uses as much as digits as its factorization.

4028287 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7168, while the sum is 31.

The square root of 4028287 is about 2007.0592916005. The cubic root of 4028287 is about 159.1134166993.

The spelling of 4028287 in words is "four million, twenty-eight thousand, two hundred eighty-seven".