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14981605 = 541107683
BaseRepresentation
bin111001001001…
…100111100101
31001012010220021
4321021213211
512313402410
61253035141
7241225102
oct71114745
931163807
1014981605
1185029a1
125025ab1
133147172
141dbdaa9
1514adeda
hexe499e5

14981605 has 16 divisors (see below), whose sum is σ = 18615744. Its totient is φ = 11566720.

The previous prime is 14981597. The next prime is 14981609. The reversal of 14981605 is 50618941.

It is not a de Polignac number, because 14981605 - 23 = 14981597 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 (14981609) 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 15 ways as a sum of consecutive naturals, for example, 21594 + ... + 22276.

It is an arithmetic number, because the mean of its divisors is an integer number (1163484).

Almost surely, 214981605 is an apocalyptic number.

It is an amenable number.

14981605 is a deficient number, since it is larger than the sum of its proper divisors (3634139).

14981605 is a wasteful number, since it uses less digits than its factorization.

14981605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 836.

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 14981605 is about 3870.6078334029. The cubic root of 14981605 is about 246.5203529256.

The spelling of 14981605 in words is "fourteen million, nine hundred eighty-one thousand, six hundred five".

Divisors: 1 5 41 107 205 535 683 3415 4387 21935 28003 73081 140015 365405 2996321 14981605