Search a number
-
+
84253 = 136481
BaseRepresentation
bin10100100100011101
311021120111
4110210131
510144003
61450021
7500431
oct244435
9137514
1084253
1158334
1240911
132c470
14229c1
1519e6d
hex1491d

84253 has 4 divisors (see below), whose sum is σ = 90748. Its totient is φ = 77760.

The previous prime is 84247. The next prime is 84263. The reversal of 84253 is 35248.

It is the 119-th star number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 49284 + 34969 = 222^2 + 187^2 .

It is a cyclic number.

It is not a de Polignac number, because 84253 - 25 = 84221 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 (84223) 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, 3228 + ... + 3253.

It is an arithmetic number, because the mean of its divisors is an integer number (22687).

284253 is an apocalyptic number.

It is an amenable number.

84253 is a deficient number, since it is larger than the sum of its proper divisors (6495).

84253 is a wasteful number, since it uses less digits than its factorization.

84253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6494.

The product of its digits is 960, while the sum is 22.

The square root of 84253 is about 290.2636732352. The cubic root of 84253 is about 43.8391163110.

The spelling of 84253 in words is "eighty-four thousand, two hundred fifty-three".

Divisors: 1 13 6481 84253