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5287823 is a prime number
BaseRepresentation
bin10100001010111110001111
3100221122112022
4110022332033
52323202243
6305200355
762642252
oct24127617
910848468
105287823
112a91902
1219300bb
131131ab8
149b9099
156e6b68
hex50af8f

5287823 has 2 divisors, whose sum is σ = 5287824. Its totient is φ = 5287822.

The previous prime is 5287819. The next prime is 5287837. The reversal of 5287823 is 3287825.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5287823 - 22 = 5287819 is a prime.

It is a super-2 number, since 2×52878232 = 55922144158658, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5287813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2643911 + 2643912.

It is an arithmetic number, because the mean of its divisors is an integer number (2643912).

Almost surely, 25287823 is an apocalyptic number.

5287823 is a deficient number, since it is larger than the sum of its proper divisors (1).

5287823 is an equidigital number, since it uses as much as digits as its factorization.

5287823 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 26880, while the sum is 35.

The square root of 5287823 is about 2299.5266904300. The cubic root of 5287823 is about 174.2177109251.

The spelling of 5287823 in words is "five million, two hundred eighty-seven thousand, eight hundred twenty-three".