Search a number
-
+
572905085 = 5773148229
BaseRepresentation
bin100010001001011…
…101011001111101
31110221000121000212
4202021131121331
52133130430320
6132503202205
720124420134
oct4211353175
91427017025
10572905085
11274432085
1213ba46365
13918cccbc
145613291b
15354699c5
hex2225d67d

572905085 has 8 divisors (see below), whose sum is σ = 688380120. Its totient is φ = 457728064.

The previous prime is 572905057. The next prime is 572905087. The reversal of 572905085 is 580509275.

It can be written as a sum of positive squares in 4 ways, for example, as 105740089 + 467164996 = 10283^2 + 21614^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 572905085 - 216 = 572839549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (572905087) by changing a digit.

It is a Zeisel number, with parameters (192, -187).

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70250 + ... + 77979.

It is an arithmetic number, because the mean of its divisors is an integer number (86047515).

Almost surely, 2572905085 is an apocalyptic number.

It is an amenable number.

572905085 is a deficient number, since it is larger than the sum of its proper divisors (115475035).

572905085 is a wasteful number, since it uses less digits than its factorization.

572905085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149007.

The product of its (nonzero) digits is 126000, while the sum is 41.

The square root of 572905085 is about 23935.4357595595. The cubic root of 572905085 is about 830.5406478998.

The spelling of 572905085 in words is "five hundred seventy-two million, nine hundred five thousand, eighty-five".

Divisors: 1 5 773 3865 148229 741145 114581017 572905085