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13852143 = 321539127
BaseRepresentation
bin110100110101…
…110111101111
3222001202120100
4310311313233
512021232033
61212522143
7225512154
oct64656757
928052510
1013852143
117901358
124780353
132b40046
141ba822b
151339513
hexd35def

13852143 has 6 divisors (see below), whose sum is σ = 20008664. Its totient is φ = 9234756.

The previous prime is 13852129. The next prime is 13852151. The reversal of 13852143 is 34125831.

It is a happy number.

13852143 is a `hidden beast` number, since 138 + 521 + 4 + 3 = 666.

It is not a de Polignac number, because 13852143 - 29 = 13851631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13852123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 769555 + ... + 769572.

Almost surely, 213852143 is an apocalyptic number.

13852143 is a deficient number, since it is larger than the sum of its proper divisors (6156521).

13852143 is a wasteful number, since it uses less digits than its factorization.

13852143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1539133 (or 1539130 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 13852143 is about 3721.8467190361. The cubic root of 13852143 is about 240.1627541879.

Adding to 13852143 its reverse (34125831), we get a palindrome (47977974).

The spelling of 13852143 in words is "thirteen million, eight hundred fifty-two thousand, one hundred forty-three".

Divisors: 1 3 9 1539127 4617381 13852143