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64265 = 512853
BaseRepresentation
bin1111101100001001
310021011012
433230021
54024030
61213305
7355235
oct175411
9107135
1064265
1144313
1231235
1323336
14195c5
1514095
hexfb09

64265 has 4 divisors (see below), whose sum is σ = 77124. Its totient is φ = 51408.

The previous prime is 64237. The next prime is 64271. The reversal of 64265 is 56246.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 56246 = 228123.

It can be written as a sum of positive squares in 2 ways, for example, as 19321 + 44944 = 139^2 + 212^2 .

It is a cyclic number.

It is not a de Polignac number, because 64265 - 210 = 63241 is a prime.

It is a Duffinian number.

It is a plaindrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 64265.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6422 + ... + 6431.

It is an arithmetic number, because the mean of its divisors is an integer number (19281).

264265 is an apocalyptic number.

It is an amenable number.

64265 is a deficient number, since it is larger than the sum of its proper divisors (12859).

64265 is a wasteful number, since it uses less digits than its factorization.

64265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12858.

The product of its digits is 1440, while the sum is 23.

The square root of 64265 is about 253.5054240051. The cubic root of 64265 is about 40.0551323091.

It can be divided in two parts, 642 and 65, that added together give a palindrome (707).

The spelling of 64265 in words is "sixty-four thousand, two hundred sixty-five".

Divisors: 1 5 12853 64265