Search a number
-
+
16908159 = 343131071
BaseRepresentation
bin100000001111…
…1111101111111
31011211000122010
41000133331333
513312030114
61402222303
7263500632
oct100377577
934730563
1016908159
1195a9394
1257b4993
133670038
142361c19
15173ec59
hex101ff7f

16908159 has 8 divisors (see below), whose sum is σ = 23068672. Its totient is φ = 11009880.

The previous prime is 16908139. The next prime is 16908169. The reversal of 16908159 is 95180961.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16908159 - 25 = 16908127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16908139) 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 in 7 ways as a sum of consecutive naturals, for example, 65407 + ... + 65664.

It is an arithmetic number, because the mean of its divisors is an integer number (2883584).

Almost surely, 216908159 is an apocalyptic number.

16908159 is a deficient number, since it is larger than the sum of its proper divisors (6160513).

16908159 is a wasteful number, since it uses less digits than its factorization.

16908159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131117.

The product of its (nonzero) digits is 19440, while the sum is 39.

The square root of 16908159 is about 4111.9531855312. The cubic root of 16908159 is about 256.6642853174.

The spelling of 16908159 in words is "sixteen million, nine hundred eight thousand, one hundred fifty-nine".

Divisors: 1 3 43 129 131071 393213 5636053 16908159