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16487085 = 351099139
BaseRepresentation
bin111110111001…
…001010101101
31011000122000210
4332321022231
513210041320
61345213033
7260065206
oct76711255
934018023
1016487085
119340a9a
125631179
133553494
1422925ad
1516aa0e0
hexfb92ad

16487085 has 8 divisors (see below), whose sum is σ = 26379360. Its totient is φ = 8793104.

The previous prime is 16487077. The next prime is 16487087. The reversal of 16487085 is 58078461.

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 16487085 - 23 = 16487077 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16487087) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 549555 + ... + 549584.

It is an arithmetic number, because the mean of its divisors is an integer number (3297420).

Almost surely, 216487085 is an apocalyptic number.

16487085 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16487085 is a deficient number, since it is larger than the sum of its proper divisors (9892275).

16487085 is a wasteful number, since it uses less digits than its factorization.

16487085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1099147.

The product of its (nonzero) digits is 53760, while the sum is 39.

The square root of 16487085 is about 4060.4291645096. The cubic root of 16487085 is about 254.5157283430.

The spelling of 16487085 in words is "sixteen million, four hundred eighty-seven thousand, eighty-five".

Divisors: 1 3 5 15 1099139 3297417 5495695 16487085