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14149521 = 3211313913
BaseRepresentation
bin110101111110…
…011110010001
3222121212111100
4311332132101
512110241041
61223135013
7231161151
oct65763621
928555440
1014149521
117a94821
1248a4469
132c154c9
141c44761
1513976b6
hexd7e791

14149521 has 12 divisors (see below), whose sum is σ = 20620548. Its totient is φ = 9348864.

The previous prime is 14149511. The next prime is 14149523. The reversal of 14149521 is 12594141.

It can be written as a sum of positive squares in 2 ways, for example, as 3651921 + 10497600 = 1911^2 + 3240^2 .

It is not a de Polignac number, because 14149521 - 213 = 14141329 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14149523) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5940 + ... + 7973.

It is an arithmetic number, because the mean of its divisors is an integer number (1718379).

Almost surely, 214149521 is an apocalyptic number.

It is an amenable number.

14149521 is a deficient number, since it is larger than the sum of its proper divisors (6471027).

14149521 is a wasteful number, since it uses less digits than its factorization.

14149521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14032 (or 14029 counting only the distinct ones).

The product of its digits is 1440, while the sum is 27.

The square root of 14149521 is about 3761.5849053291. The cubic root of 14149521 is about 241.8692062390.

The spelling of 14149521 in words is "fourteen million, one hundred forty-nine thousand, five hundred twenty-one".

Divisors: 1 3 9 113 339 1017 13913 41739 125217 1572169 4716507 14149521