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65531327 = 229286163
BaseRepresentation
bin1111100111111…
…0110110111111
311120022100002012
43321332312333
5113234000302
610300321435
71424002301
oct371766677
9146270065
1065531327
1133a99724
1219b4327b
1310765844
1489bb971
155b46a52
hex3e7edbf

65531327 has 4 divisors (see below), whose sum is σ = 65817720. Its totient is φ = 65244936.

The previous prime is 65531321. The next prime is 65531341. The reversal of 65531327 is 72313556.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-65531327 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 65531293 and 65531302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65531321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142853 + ... + 143310.

It is an arithmetic number, because the mean of its divisors is an integer number (16454430).

Almost surely, 265531327 is an apocalyptic number.

65531327 is a deficient number, since it is larger than the sum of its proper divisors (286393).

65531327 is a wasteful number, since it uses less digits than its factorization.

65531327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286392.

The product of its digits is 18900, while the sum is 32.

The square root of 65531327 is about 8095.1421852862. The cubic root of 65531327 is about 403.1651530383.

The spelling of 65531327 in words is "sixty-five million, five hundred thirty-one thousand, three hundred twenty-seven".

Divisors: 1 229 286163 65531327