Search a number
-
+
16706271 = 313940063
BaseRepresentation
bin111111101110…
…101011011111
31011102202200210
4333232223133
513234100041
61354023503
7262000221
oct77565337
934382623
1016706271
11948073a
125717b93
1335cc18a
14230c411
151700016
hexfeeadf

16706271 has 8 divisors (see below), whose sum is σ = 22435840. Its totient is φ = 11057112.

The previous prime is 16706251. The next prime is 16706341. The reversal of 16706271 is 17260761.

It is a happy number.

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

It is not a de Polignac number, because 16706271 - 27 = 16706143 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 (16706251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19615 + ... + 20448.

It is an arithmetic number, because the mean of its divisors is an integer number (2804480).

Almost surely, 216706271 is an apocalyptic number.

16706271 is a deficient number, since it is larger than the sum of its proper divisors (5729569).

16706271 is a wasteful number, since it uses less digits than its factorization.

16706271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40205.

The product of its (nonzero) digits is 3528, while the sum is 30.

The square root of 16706271 is about 4087.3305469463. The cubic root of 16706271 is about 255.6386452426.

The spelling of 16706271 in words is "sixteen million, seven hundred six thousand, two hundred seventy-one".

Divisors: 1 3 139 417 40063 120189 5568757 16706271