Search a number
572061 = 3727241
BaseRepresentation
bin10001011101010011101
31002001201110
42023222131
5121301221
620132233
74601550
oct2135235
91061643
10572061
11360886
12237079
131704c9
1410c697
15b4776
hex8ba9d

572061 has 8 divisors (see below), whose sum is σ = 871744. Its totient is φ = 326880.

The previous prime is 572059. The next prime is 572063. The reversal of 572061 is 160275.

It is an interprime number because it is at equal distance from previous prime (572059) and next prime (572063).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 572061 - 21 = 572059 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 27241 = 572061 / (5 + 7 + 2 + 0 + 6 + 1).

It is a Duffinian number.

572061 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (572063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13600 + ... + 13641.

It is an arithmetic number, because the mean of its divisors is an integer number (108968).

2572061 is an apocalyptic number.

It is an amenable number.

572061 is a deficient number, since it is larger than the sum of its proper divisors (299683).

572061 is a wasteful number, since it uses less digits than its factorization.

572061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27251.

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 572061 is about 756.3471425212. The cubic root of 572061 is about 83.0132557335.

The spelling of 572061 in words is "five hundred seventy-two thousand, sixty-one".

Divisors: 1 3 7 21 27241 81723 190687 572061