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14981493 = 316330637
BaseRepresentation
bin111001001001…
…100101110101
31001012010202010
4321021211311
512313401433
61253034433
7241224552
oct71114565
931163663
1014981493
1185028aa
125025a19
1331470b7
141dbda29
1514ade63
hexe49975

14981493 has 8 divisors (see below), whose sum is σ = 20098528. Its totient is φ = 9926064.

The previous prime is 14981489. The next prime is 14981507. The reversal of 14981493 is 39418941.

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

It is not a de Polignac number, because 14981493 - 22 = 14981489 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 (14981413) 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 7 ways as a sum of consecutive naturals, for example, 14830 + ... + 15807.

It is an arithmetic number, because the mean of its divisors is an integer number (2512316).

Almost surely, 214981493 is an apocalyptic number.

It is an amenable number.

14981493 is a deficient number, since it is larger than the sum of its proper divisors (5117035).

14981493 is a wasteful number, since it uses less digits than its factorization.

14981493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30803.

The product of its digits is 31104, while the sum is 39.

The square root of 14981493 is about 3870.5933653640. The cubic root of 14981493 is about 246.5197386089.

The spelling of 14981493 in words is "fourteen million, nine hundred eighty-one thousand, four hundred ninety-three".

Divisors: 1 3 163 489 30637 91911 4993831 14981493