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16472987 is a prime number
BaseRepresentation
bin111110110101…
…101110011011
31010222220200122
4332311232123
513204113422
61345023455
7260006126
oct76655633
933886618
1016472987
119331443
125624b8b
133549c3b
14228b3bd
1516a5d42
hexfb5b9b

16472987 has 2 divisors, whose sum is σ = 16472988. Its totient is φ = 16472986.

The previous prime is 16472969. The next prime is 16473007. The reversal of 16472987 is 78927461.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16472987 - 212 = 16468891 is a prime.

It is not a weakly prime, because it can be changed into another prime (16472917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8236493 + 8236494.

It is an arithmetic number, because the mean of its divisors is an integer number (8236494).

Almost surely, 216472987 is an apocalyptic number.

16472987 is a deficient number, since it is larger than the sum of its proper divisors (1).

16472987 is an equidigital number, since it uses as much as digits as its factorization.

16472987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 169344, while the sum is 44.

The square root of 16472987 is about 4058.6927698460. The cubic root of 16472987 is about 254.4431627366.

The spelling of 16472987 in words is "sixteen million, four hundred seventy-two thousand, nine hundred eighty-seven".