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530145225 = 32524794919
BaseRepresentation
bin11111100110010…
…101111111001001
31100221120011112100
4133212111333021
52041204121400
6124334504013
716065105621
oct3746257711
91327504470
10530145225
11252286a55
12129665009
1385aab1cc
14505a1881
1531820100
hex1f995fc9

530145225 has 36 divisors (see below), whose sum is σ = 951724800. Its totient is φ = 282096480.

The previous prime is 530145191. The next prime is 530145227. The reversal of 530145225 is 522541035.

It is a happy number.

It is not a de Polignac number, because 530145225 - 27 = 530145097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (530145227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 105316 + ... + 110234.

It is an arithmetic number, because the mean of its divisors is an integer number (26436800).

Almost surely, 2530145225 is an apocalyptic number.

It is an amenable number.

530145225 is a deficient number, since it is larger than the sum of its proper divisors (421579575).

530145225 is a wasteful number, since it uses less digits than its factorization.

530145225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5414 (or 5406 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 530145225 is about 23024.8827358577. The cubic root of 530145225 is about 809.3411423253.

The spelling of 530145225 in words is "five hundred thirty million, one hundred forty-five thousand, two hundred twenty-five".

Divisors: 1 3 5 9 15 25 45 75 225 479 1437 2395 4311 4919 7185 11975 14757 21555 24595 35925 44271 73785 107775 122975 221355 368925 1106775 2356201 7068603 11781005 21205809 35343015 58905025 106029045 176715075 530145225