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16998039 = 33718867
BaseRepresentation
bin100000011010…
…1111010010111
31011222120221000
41000311322113
513322414124
61404154343
7264323652
oct100657227
934876830
1016998039
11965a973
1258389b3
1336a1c16
142386899
15175b6c9
hex1035e97

16998039 has 16 divisors (see below), whose sum is σ = 25539840. Its totient is φ = 11171160.

The previous prime is 16997999. The next prime is 16998041. The reversal of 16998039 is 93089961.

It is not a de Polignac number, because 16998039 - 212 = 16993943 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16997985 and 16998003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16998139) 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 in 15 ways as a sum of consecutive naturals, for example, 2517 + ... + 6350.

It is an arithmetic number, because the mean of its divisors is an integer number (1596240).

Almost surely, 216998039 is an apocalyptic number.

16998039 is a deficient number, since it is larger than the sum of its proper divisors (8541801).

16998039 is an equidigital number, since it uses as much as digits as its factorization.

16998039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8947 (or 8941 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 45.

The square root of 16998039 is about 4122.8678125790. The cubic root of 16998039 is about 257.1182718558.

The spelling of 16998039 in words is "sixteen million, nine hundred ninety-eight thousand, thirty-nine".

Divisors: 1 3 9 27 71 213 639 1917 8867 26601 79803 239409 629557 1888671 5666013 16998039