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14873987 is a prime number
BaseRepresentation
bin111000101111…
…010110000011
31000222200021102
4320233112003
512301431422
61250445015
7240266252
oct70572603
930880242
1014873987
11843a057
124b9376b
13310a19b
141d92799
15148c192
hexe2f583

14873987 has 2 divisors, whose sum is σ = 14873988. Its totient is φ = 14873986.

The previous prime is 14873981. The next prime is 14874011. The reversal of 14873987 is 78937841.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 14873987 - 28 = 14873731 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (14873981) 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, 7436993 + 7436994.

It is an arithmetic number, because the mean of its divisors is an integer number (7436994).

Almost surely, 214873987 is an apocalyptic number.

14873987 is a deficient number, since it is larger than the sum of its proper divisors (1).

14873987 is an equidigital number, since it uses as much as digits as its factorization.

14873987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 338688, while the sum is 47.

The square root of 14873987 is about 3856.6808268251. The cubic root of 14873987 is about 245.9286538201.

The spelling of 14873987 in words is "fourteen million, eight hundred seventy-three thousand, nine hundred eighty-seven".