Search a number
-
+
16085631 = 310750111
BaseRepresentation
bin111101010111…
…001001111111
31010021020100010
4331113021333
513104220011
61332434303
7253503612
oct75271177
933236303
1016085631
119097411
125478993
133442833
1421ca179
15162b1a6
hexf5727f

16085631 has 8 divisors (see below), whose sum is σ = 21648384. Its totient is φ = 10623320.

The previous prime is 16085599. The next prime is 16085677. The reversal of 16085631 is 13658061.

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

It is a cyclic number.

It is not a de Polignac number, because 16085631 - 25 = 16085599 is a prime.

It is a super-2 number, since 2×160856312 = 517495049336322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16085131) 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, 24735 + ... + 25376.

It is an arithmetic number, because the mean of its divisors is an integer number (2706048).

Almost surely, 216085631 is an apocalyptic number.

16085631 is a deficient number, since it is larger than the sum of its proper divisors (5562753).

16085631 is a wasteful number, since it uses less digits than its factorization.

16085631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50221.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 16085631 is about 4010.6895915790. The cubic root of 16085631 is about 252.4329449756.

The spelling of 16085631 in words is "sixteen million, eighty-five thousand, six hundred thirty-one".

Divisors: 1 3 107 321 50111 150333 5361877 16085631