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16941139 = 18239293
BaseRepresentation
bin100000010100…
…0000001010011
31011212200212121
41000220001103
513314104024
61403035111
7263666035
oct100500123
934780777
1016941139
119621146
12580ba97
133682057
14236dc55
1517498e4
hex1028053

16941139 has 4 divisors (see below), whose sum is σ = 16952256. Its totient is φ = 16930024.

The previous prime is 16941109. The next prime is 16941149. The reversal of 16941139 is 93114961.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 93114961 = 831121867.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-16941139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16941109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2824 + ... + 6469.

It is an arithmetic number, because the mean of its divisors is an integer number (4238064).

Almost surely, 216941139 is an apocalyptic number.

16941139 is a deficient number, since it is larger than the sum of its proper divisors (11117).

16941139 is an equidigital number, since it uses as much as digits as its factorization.

16941139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11116.

The product of its digits is 5832, while the sum is 34.

The square root of 16941139 is about 4115.9614915594. The cubic root of 16941139 is about 256.8310547147.

The spelling of 16941139 in words is "sixteen million, nine hundred forty-one thousand, one hundred thirty-nine".

Divisors: 1 1823 9293 16941139