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14133681 = 321792377
BaseRepresentation
bin110101111010…
…100110110001
3222121001202200
4311322212301
512104234211
61222533413
7231064032
oct65724661
928531680
1014133681
117a83931
124897269
132c0b233
141c3ca89
151392b56
hexd7a9b1

14133681 has 12 divisors (see below), whose sum is σ = 21616452. Its totient is φ = 8868096.

The previous prime is 14133677. The next prime is 14133683. The reversal of 14133681 is 18633141.

It can be written as a sum of positive squares in 2 ways, for example, as 11189025 + 2944656 = 3345^2 + 1716^2 .

It is not a de Polignac number, because 14133681 - 22 = 14133677 is a prime.

It is a super-2 number, since 2×141336812 = 399521877219522, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (14133683) 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, 46036 + ... + 46341.

It is an arithmetic number, because the mean of its divisors is an integer number (1801371).

Almost surely, 214133681 is an apocalyptic number.

It is an amenable number.

14133681 is a deficient number, since it is larger than the sum of its proper divisors (7482771).

14133681 is a wasteful number, since it uses less digits than its factorization.

14133681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92400 (or 92397 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 14133681 is about 3759.4788202622. The cubic root of 14133681 is about 241.7789172283.

The spelling of 14133681 in words is "fourteen million, one hundred thirty-three thousand, six hundred eighty-one".

Divisors: 1 3 9 17 51 153 92377 277131 831393 1570409 4711227 14133681