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65369 = 131499
BaseRepresentation
bin1111111101011001
310022200002
433331121
54042434
61222345
7361403
oct177531
9108602
1065369
1145127
12319b5
13239a5
1419b73
151457e
hexff59

65369 has 4 divisors (see below), whose sum is σ = 66000. Its totient is φ = 64740.

The previous prime is 65357. The next prime is 65371. The reversal of 65369 is 96356.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 65369 - 24 = 65353 is a prime.

It is a super-2 number, since 2×653692 = 8546212322, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 6 and base 15.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 65369.

It is not an unprimeable number, because it can be changed into a prime (65309) 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, 119 + ... + 380.

It is an arithmetic number, because the mean of its divisors is an integer number (16500).

265369 is an apocalyptic number.

It is an amenable number.

65369 is a deficient number, since it is larger than the sum of its proper divisors (631).

65369 is a wasteful number, since it uses less digits than its factorization.

65369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 630.

The product of its digits is 4860, while the sum is 29.

The square root of 65369 is about 255.6736200706. The cubic root of 65369 is about 40.2831985658.

It can be divided in two parts, 65 and 369, that added together give a palindrome (434).

The spelling of 65369 in words is "sixty-five thousand, three hundred sixty-nine".

Divisors: 1 131 499 65369