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14987216 = 248571093
BaseRepresentation
bin111001001010…
…111111010000
31001012102121002
4321022333100
512314042331
61253121132
7241250336
oct71127720
931172532
1014987216
118507132
1250291a8
13314989a
141dc1b56
1514b09cb
hexe4afd0

14987216 has 20 divisors (see below), whose sum is σ = 29098212. Its totient is φ = 7478016.

The previous prime is 14987213. The next prime is 14987233. The reversal of 14987216 is 61278941.

It can be written as a sum of positive squares in 2 ways, for example, as 14409616 + 577600 = 3796^2 + 760^2 .

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 14987216.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14987213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13166 + ... + 14258.

Almost surely, 214987216 is an apocalyptic number.

14987216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

14987216 is a deficient number, since it is larger than the sum of its proper divisors (14110996).

14987216 is a wasteful number, since it uses less digits than its factorization.

14987216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1958 (or 1952 counting only the distinct ones).

The product of its digits is 24192, while the sum is 38.

The square root of 14987216 is about 3871.3325871074. The cubic root of 14987216 is about 246.5511251749.

The spelling of 14987216 in words is "fourteen million, nine hundred eighty-seven thousand, two hundred sixteen".

Divisors: 1 2 4 8 16 857 1093 1714 2186 3428 4372 6856 8744 13712 17488 936701 1873402 3746804 7493608 14987216