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14439685 = 513222149
BaseRepresentation
bin110111000101…
…010100000101
31000011121112011
4313011110011
512144032220
61233254221
7233510131
oct67052405
930147464
1014439685
118172827
124a04371
132cb75c0
141cbc3c1
15140365a
hexdc5505

14439685 has 8 divisors (see below), whose sum is σ = 18660600. Its totient is φ = 10663104.

The previous prime is 14439683. The next prime is 14439713. The reversal of 14439685 is 58693441.

It can be written as a sum of positive squares in 4 ways, for example, as 136161 + 14303524 = 369^2 + 3782^2 .

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 14439685 - 21 = 14439683 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14439683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111010 + ... + 111139.

It is an arithmetic number, because the mean of its divisors is an integer number (2332575).

Almost surely, 214439685 is an apocalyptic number.

It is an amenable number.

14439685 is a deficient number, since it is larger than the sum of its proper divisors (4220915).

14439685 is a wasteful number, since it uses less digits than its factorization.

14439685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222167.

The product of its digits is 103680, while the sum is 40.

The square root of 14439685 is about 3799.9585524055. The cubic root of 14439685 is about 243.5113675936.

The spelling of 14439685 in words is "fourteen million, four hundred thirty-nine thousand, six hundred eighty-five".

Divisors: 1 5 13 65 222149 1110745 2887937 14439685