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5438987 is a prime number
BaseRepresentation
bin10100101111111000001011
3101020022212222
4110233320023
52343021422
6312324255
764142051
oct24577013
911208788
105438987
113085434
1219a368b
131185848
14a181d1
15726842
hex52fe0b

5438987 has 2 divisors, whose sum is σ = 5438988. Its totient is φ = 5438986.

The previous prime is 5438969. The next prime is 5439013. The reversal of 5438987 is 7898345.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5438987 - 214 = 5422603 is a prime.

It is a Chen prime.

It is an alternating number because its digits alternate between odd and even.

It is not a weakly prime, because it can be changed into another prime (5435987) 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, 2719493 + 2719494.

It is an arithmetic number, because the mean of its divisors is an integer number (2719494).

Almost surely, 25438987 is an apocalyptic number.

5438987 is a deficient number, since it is larger than the sum of its proper divisors (1).

5438987 is an equidigital number, since it uses as much as digits as its factorization.

5438987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 241920, while the sum is 44.

The square root of 5438987 is about 2332.1635877442. The cubic root of 5438987 is about 175.8622695703.

The spelling of 5438987 in words is "five million, four hundred thirty-eight thousand, nine hundred eighty-seven".