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14739145 = 513721517
BaseRepresentation
bin111000001110…
…011011001001
31000201211022021
4320032123021
512233123040
61243524441
7236165161
oct70163311
930654267
1014739145
118357813
124b29721
1330909b5
141d595a1
15146224a
hexe0e6c9

14739145 has 8 divisors (see below), whose sum is σ = 17816904. Its totient is φ = 11704704.

The previous prime is 14739139. The next prime is 14739149. The reversal of 14739145 is 54193741.

14739145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1218816 + 13520329 = 1104^2 + 3677^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 14739145 - 211 = 14737097 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 14739145.

It is not an unprimeable number, because it can be changed into a prime (14739149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10074 + ... + 11443.

It is an arithmetic number, because the mean of its divisors is an integer number (2227113).

Almost surely, 214739145 is an apocalyptic number.

It is an amenable number.

14739145 is a deficient number, since it is larger than the sum of its proper divisors (3077759).

14739145 is a wasteful number, since it uses less digits than its factorization.

14739145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21659.

The product of its digits is 15120, while the sum is 34.

The square root of 14739145 is about 3839.1594132049. The cubic root of 14739145 is about 245.1832309719.

It can be divided in two parts, 14739 and 145, that added together give a square (14884 = 1222).

The spelling of 14739145 in words is "fourteen million, seven hundred thirty-nine thousand, one hundred forty-five".

Divisors: 1 5 137 685 21517 107585 2947829 14739145