Search a number
-
+
64273 = 115843
BaseRepresentation
bin1111101100010001
310021011111
433230101
54024043
61213321
7355246
oct175421
9107144
1064273
1144320
1231241
1323341
14195cd
151409d
hexfb11

64273 has 4 divisors (see below), whose sum is σ = 70128. Its totient is φ = 58420.

The previous prime is 64271. The next prime is 64279. The reversal of 64273 is 37246.

It is the 104-th star number.

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.

It is a cyclic number.

It is not a de Polignac number, because 64273 - 21 = 64271 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a nialpdrome in base 11 and base 16.

It is not an unprimeable number, because it can be changed into a prime (64271) 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, 2911 + ... + 2932.

It is an arithmetic number, because the mean of its divisors is an integer number (17532).

264273 is an apocalyptic number.

It is an amenable number.

64273 is a deficient number, since it is larger than the sum of its proper divisors (5855).

64273 is a wasteful number, since it uses less digits than its factorization.

64273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5854.

The product of its digits is 1008, while the sum is 22.

The square root of 64273 is about 253.5212022692. The cubic root of 64273 is about 40.0567943220.

The spelling of 64273 in words is "sixty-four thousand, two hundred seventy-three".

Divisors: 1 11 5843 64273