Search a number
-
+
530555501 = 775793643
BaseRepresentation
bin11111100111111…
…010001001101101
31100222100000022202
4133213322021231
52041310234001
6124351351245
716101435020
oct3747721155
91328300282
10530555501
11252537223
12129822525
1385bc2b88
145066b1b7
15318a196b
hex1f9fa26d

530555501 has 4 divisors (see below), whose sum is σ = 606349152. Its totient is φ = 454761852.

The previous prime is 530555497. The next prime is 530555537. The reversal of 530555501 is 105555035.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 105555035 = 521111007.

It is a cyclic number.

It is not a de Polignac number, because 530555501 - 22 = 530555497 is a prime.

It is a super-2 number, since 2×5305555012 = 562978279282722002, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (530552501) 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 3 ways as a sum of consecutive naturals, for example, 37896815 + ... + 37896828.

It is an arithmetic number, because the mean of its divisors is an integer number (151587288).

Almost surely, 2530555501 is an apocalyptic number.

It is an amenable number.

530555501 is a deficient number, since it is larger than the sum of its proper divisors (75793651).

530555501 is an equidigital number, since it uses as much as digits as its factorization.

530555501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75793650.

The product of its (nonzero) digits is 9375, while the sum is 29.

The square root of 530555501 is about 23033.7904175583. The cubic root of 530555501 is about 809.5498698021.

It can be divided in two parts, 5305 and 55501, that added together give a palindrome (60806).

The spelling of 530555501 in words is "five hundred thirty million, five hundred fifty-five thousand, five hundred one".

Divisors: 1 7 75793643 530555501