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14724009 = 321636001
BaseRepresentation
bin111000001010…
…101110101001
31000201001112200
4320022232221
512232132014
61243330413
7236103066
oct70125651
930631480
1014724009
118347403
124b20a09
133086b41
141d53c6d
15145ca09
hexe0aba9

14724009 has 6 divisors (see below), whose sum is σ = 21268026. Its totient is φ = 9816000.

The previous prime is 14724001. The next prime is 14724029. The reversal of 14724009 is 90042741.

It is a happy number.

14724009 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 only one way, i.e., 12981609 + 1742400 = 3603^2 + 1320^2 .

It is not a de Polignac number, because 14724009 - 23 = 14724001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (14724001) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 817992 + ... + 818009.

It is an arithmetic number, because the mean of its divisors is an integer number (3544671).

Almost surely, 214724009 is an apocalyptic number.

It is an amenable number.

14724009 is a deficient number, since it is larger than the sum of its proper divisors (6544017).

14724009 is a wasteful number, since it uses less digits than its factorization.

14724009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1636007 (or 1636004 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 14724009 is about 3837.1876420107. The cubic root of 14724009 is about 245.0992739434.

The spelling of 14724009 in words is "fourteen million, seven hundred twenty-four thousand, nine".

Divisors: 1 3 9 1636001 4908003 14724009