Search a number
-
+
530063645 = 5106012729
BaseRepresentation
bin11111100110000…
…010000100011101
31100221102000121212
4133212002010131
52041144014040
6124333034205
716064316026
oct3746020435
91327360555
10530063645
11252230731
12129625965
1385a80037
145057dc4d
1531805d65
hex1f98211d

530063645 has 4 divisors (see below), whose sum is σ = 636076380. Its totient is φ = 424050912.

The previous prime is 530063627. The next prime is 530063657. The reversal of 530063645 is 546360035.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 261824761 + 268238884 = 16181^2 + 16378^2 .

It is a cyclic number.

It is not a de Polignac number, because 530063645 - 216 = 529998109 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53006360 + ... + 53006369.

It is an arithmetic number, because the mean of its divisors is an integer number (159019095).

Almost surely, 2530063645 is an apocalyptic number.

It is an amenable number.

530063645 is a deficient number, since it is larger than the sum of its proper divisors (106012735).

530063645 is a wasteful number, since it uses less digits than its factorization.

530063645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106012734.

The product of its (nonzero) digits is 32400, while the sum is 32.

The square root of 530063645 is about 23023.1111060169. Note that the first 4 decimals coincide. The cubic root of 530063645 is about 809.2996257532.

The spelling of 530063645 in words is "five hundred thirty million, sixty-three thousand, six hundred forty-five".

Divisors: 1 5 106012729 530063645