Search a number
-
+
675144 = 23329377
BaseRepresentation
bin10100100110101001000
31021022010100
42210311020
5133101034
622245400
75511231
oct2446510
91238110
10675144
11421278
12286860
131a83c2
14138088
15d5099
hexa4d48

675144 has 24 divisors (see below), whose sum is σ = 1828710. Its totient is φ = 225024.

The previous prime is 675133. The next prime is 675151. The reversal of 675144 is 441576.

It can be written as a sum of positive squares in only one way, i.e., 656100 + 19044 = 810^2 + 138^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 675144.

It is an unprimeable number.

675144 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4617 + ... + 4760.

2675144 is an apocalyptic number.

It is an amenable number.

675144 is an abundant number, since it is smaller than the sum of its proper divisors (1153566).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

675144 is a wasteful number, since it uses less digits than its factorization.

675144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9389 (or 9382 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 675144 is about 821.6714671935. The cubic root of 675144 is about 87.7267696074.

The spelling of 675144 in words is "six hundred seventy-five thousand, one hundred forty-four".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 9377 18754 28131 37508 56262 75016 84393 112524 168786 225048 337572 675144