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14738139 = 3313199211
BaseRepresentation
bin111000001110…
…001011011011
31000201202221000
4320032023123
512233110024
61243520043
7236162223
oct70161333
930652830
1014738139
118356a89
124b29023
1330903c0
141d59083
151461cc9
hexe0e2db

14738139 has 32 divisors (see below), whose sum is σ = 23744000. Its totient is φ = 8981280.

The previous prime is 14738123. The next prime is 14738159. The reversal of 14738139 is 93183741.

It is a happy number.

It is not a de Polignac number, because 14738139 - 24 = 14738123 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

Its product of digits (18144) is a multiple of the sum of its prime factors (432).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14738159) 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 31 ways as a sum of consecutive naturals, for example, 69744 + ... + 69954.

It is an arithmetic number, because the mean of its divisors is an integer number (742000).

Almost surely, 214738139 is an apocalyptic number.

14738139 is a deficient number, since it is larger than the sum of its proper divisors (9005861).

14738139 is a wasteful number, since it uses less digits than its factorization.

14738139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432 (or 426 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 14738139 is about 3839.0283927056. The cubic root of 14738139 is about 245.1776526306.

The spelling of 14738139 in words is "fourteen million, seven hundred thirty-eight thousand, one hundred thirty-nine".

Divisors: 1 3 9 13 27 39 117 199 211 351 597 633 1791 1899 2587 2743 5373 5697 7761 8229 23283 24687 41989 69849 74061 125967 377901 545857 1133703 1637571 4912713 14738139