Search a number
-
+
530245 = 5173613
BaseRepresentation
bin10000001011101000101
3222221100201
42001131011
5113431440
615210501
74335622
oct2013505
9887321
10530245
11332421
12216a31
13157471
14db349
15a719a
hex81745

530245 has 8 divisors (see below), whose sum is σ = 641016. Its totient is φ = 421056.

The previous prime is 530237. The next prime is 530249. The reversal of 530245 is 542035.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 20449 + 509796 = 143^2 + 714^2 .

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 530245 - 23 = 530237 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (530249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 559 + ... + 1171.

It is an arithmetic number, because the mean of its divisors is an integer number (80127).

2530245 is an apocalyptic number.

It is an amenable number.

530245 is a deficient number, since it is larger than the sum of its proper divisors (110771).

530245 is a wasteful number, since it uses less digits than its factorization.

530245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 791.

The product of its (nonzero) digits is 600, while the sum is 19.

The square root of 530245 is about 728.1792361775. The cubic root of 530245 is about 80.9391912657.

The spelling of 530245 in words is "five hundred thirty thousand, two hundred forty-five".

Divisors: 1 5 173 613 865 3065 106049 530245