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530626321 = 1743725891
BaseRepresentation
bin11111101000001…
…011011100010001
31100222110121110201
4133220023130101
52041320020241
6124353055201
716102151341
oct3750133421
91328417421
10530626321
11252585455
12129857501
1385c19194
1450688d21
15318b7931
hex1fa0b711

530626321 has 8 divisors (see below), whose sum is σ = 574906464. Its totient is φ = 487798080.

The previous prime is 530626289. The next prime is 530626333. The reversal of 530626321 is 123626035.

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 530626321 - 25 = 530626289 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 530626321.

It is not an unprimeable number, because it can be changed into a prime (530626351) 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, 362215 + ... + 363676.

It is an arithmetic number, because the mean of its divisors is an integer number (71863308).

Almost surely, 2530626321 is an apocalyptic number.

It is an amenable number.

530626321 is a deficient number, since it is larger than the sum of its proper divisors (44280143).

530626321 is a wasteful number, since it uses less digits than its factorization.

530626321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 725951.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 530626321 is about 23035.3276729462. The cubic root of 530626321 is about 809.5858885101.

The spelling of 530626321 in words is "five hundred thirty million, six hundred twenty-six thousand, three hundred twenty-one".

Divisors: 1 17 43 731 725891 12340147 31213313 530626321