Search a number
-
+
530978775 = 3527079717
BaseRepresentation
bin11111101001100…
…001011111010111
31101000010111221120
4133221201133113
52041412310100
6124404415023
716105150035
oct3751413727
91330114846
10530978775
112527a6238
121299a7473
1386010732
145073b555
15319370a0
hex1fa617d7

530978775 has 12 divisors (see below), whose sum is σ = 877885032. Its totient is φ = 283188640.

The previous prime is 530978753. The next prime is 530978797. The reversal of 530978775 is 577879035.

It is an interprime number because it is at equal distance from previous prime (530978753) and next prime (530978797).

It is not a de Polignac number, because 530978775 - 25 = 530978743 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 3539784 + ... + 3539933.

It is an arithmetic number, because the mean of its divisors is an integer number (73157086).

Almost surely, 2530978775 is an apocalyptic number.

530978775 is a deficient number, since it is larger than the sum of its proper divisors (346906257).

530978775 is a wasteful number, since it uses less digits than its factorization.

530978775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7079730 (or 7079725 counting only the distinct ones).

The product of its (nonzero) digits is 1852200, while the sum is 51.

The square root of 530978775 is about 23042.9766957310. The cubic root of 530978775 is about 809.7650972551.

The spelling of 530978775 in words is "five hundred thirty million, nine hundred seventy-eight thousand, seven hundred seventy-five".

Divisors: 1 3 5 15 25 75 7079717 21239151 35398585 106195755 176992925 530978775