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570025 = 521512
BaseRepresentation
bin10001011001010101001
31001221221001
42023022221
5121220100
620115001
74562611
oct2131251
91057831
10570025
1135a2a5
12235a61
1316c5c1
1410ba41
15b3d6a
hex8b2a9

570025 has 9 divisors (see below), whose sum is σ = 711543. Its totient is φ = 453000.

The previous prime is 570013. The next prime is 570029. The reversal of 570025 is 520075.

It is a happy number.

The square root of 570025 is 755.

It is a perfect power (a square), and thus also a powerful number.

570025 is nontrivially palindromic in base 3.

It can be written as a sum of positive squares in only one way, i.e., 205209 + 364816 = 453^2 + 604^2 .

It is not a de Polignac number, because 570025 - 27 = 569897 is a prime.

It is a Duffinian number.

570025 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 569984 and 570011.

It is not an unprimeable number, because it can be changed into a prime (570029) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3700 + ... + 3850.

570025 is a Friedman number, since it can be written as 755^(2+0+0), using all its digits and the basic arithmetic operations.

2570025 is an apocalyptic number.

570025 is the 755-th square number.

570025 is the 378-th centered octagonal number.

It is an amenable number.

570025 is a deficient number, since it is larger than the sum of its proper divisors (141518).

570025 is an equidigital number, since it uses as much as digits as its factorization.

570025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312 (or 156 counting only the distinct ones).

The product of its (nonzero) digits is 350, while the sum is 19.

The cubic root of 570025 is about 82.9146555856.

The spelling of 570025 in words is "five hundred seventy thousand, twenty-five".

Divisors: 1 5 25 151 755 3775 22801 114005 570025