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14131649 = 721943353
BaseRepresentation
bin110101111010…
…000111000001
3222120221222102
4311322013001
512104203044
61222520145
7231055100
oct65720701
928527872
1014131649
117a82354
124896055
132c0a32c
141c3c037
15139224e
hexd7a1c1

14131649 has 24 divisors (see below), whose sum is σ = 17756640. Its totient is φ = 11176704.

The previous prime is 14131643. The next prime is 14131657. The reversal of 14131649 is 94613141.

14131649 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 14131649 - 24 = 14131633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (14131643) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39857 + ... + 40209.

It is an arithmetic number, because the mean of its divisors is an integer number (739860).

Almost surely, 214131649 is an apocalyptic number.

14131649 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

14131649 is a deficient number, since it is larger than the sum of its proper divisors (3624991).

14131649 is a wasteful number, since it uses less digits than its factorization.

14131649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429 (or 422 counting only the distinct ones).

The product of its digits is 2592, while the sum is 29.

The square root of 14131649 is about 3759.2085603222. The cubic root of 14131649 is about 241.7673298174.

The spelling of 14131649 in words is "fourteen million, one hundred thirty-one thousand, six hundred forty-nine".

Divisors: 1 7 19 43 49 133 301 353 817 931 2107 2471 5719 6707 15179 17297 40033 46949 106253 288401 328643 743771 2018807 14131649