Search a number
-
+
530210521 = 5987710247
BaseRepresentation
bin11111100110100…
…101111011011001
31100221200111002201
4133212211323121
52041213214041
6124340130201
716065500161
oct3746457331
91327614081
10530210521
11252321015
12129696961
1385b01b49
14505bb5a1
1531834631
hex1f9a5ed9

530210521 has 8 divisors (see below), whose sum is σ = 539864640. Its totient is φ = 520578768.

The previous prime is 530210503. The next prime is 530210531. The reversal of 530210521 is 125012035.

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 530210521 - 25 = 530210489 is a prime.

It is a super-2 number, since 2×5302105212 = 562246393158182882, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (530210531) 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 7 ways as a sum of consecutive naturals, for example, 46620 + ... + 56866.

It is an arithmetic number, because the mean of its divisors is an integer number (67483080).

Almost surely, 2530210521 is an apocalyptic number.

It is an amenable number.

530210521 is a deficient number, since it is larger than the sum of its proper divisors (9654119).

530210521 is a wasteful number, since it uses less digits than its factorization.

530210521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11183.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 530210521 is about 23026.3006364461. The cubic root of 530210521 is about 809.3743687994.

Adding to 530210521 its reverse (125012035), we get a palindrome (655222556).

The spelling of 530210521 in words is "five hundred thirty million, two hundred ten thousand, five hundred twenty-one".

Divisors: 1 59 877 10247 51743 604573 8986619 530210521