Search a number
-
+
16316287 = 133473617
BaseRepresentation
bin111110001111…
…011101111111
31010200221201221
4332033131333
513134110122
61341414211
7255454231
oct76173577
933627657
1016316287
119234739
12556a367
1334c3810
14224a251
1516746c7
hexf8f77f

16316287 has 8 divisors (see below), whose sum is σ = 17626896. Its totient is φ = 15013632.

The previous prime is 16316249. The next prime is 16316317. The reversal of 16316287 is 78261361.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-16316287 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 (16316207) 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, 2703 + ... + 6319.

It is an arithmetic number, because the mean of its divisors is an integer number (2203362).

Almost surely, 216316287 is an apocalyptic number.

16316287 is a deficient number, since it is larger than the sum of its proper divisors (1310609).

16316287 is a wasteful number, since it uses less digits than its factorization.

16316287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3977.

The product of its digits is 12096, while the sum is 34.

The square root of 16316287 is about 4039.3423969750. The cubic root of 16316287 is about 253.6337903656.

The spelling of 16316287 in words is "sixteen million, three hundred sixteen thousand, two hundred eighty-seven".

Divisors: 1 13 347 3617 4511 47021 1255099 16316287