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530202451 = 19723311551
BaseRepresentation
bin11111100110100…
…011111101010011
31100221200002000211
4133212203331103
52041212434301
6124340024551
716065434512
oct3746437523
91327602024
10530202451
11252315a49
12129692157
1385acb27c
14505b8679
1531832051
hex1f9a3f53

530202451 has 8 divisors (see below), whose sum is σ = 535227264. Its totient is φ = 525201600.

The previous prime is 530202419. The next prime is 530202461. The reversal of 530202451 is 154202035.

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 530202451 - 25 = 530202419 is a prime.

It is a super-2 number, since 2×5302024512 = 562229278092814802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (530202461) 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, 40126 + ... + 51676.

It is an arithmetic number, because the mean of its divisors is an integer number (66903408).

Almost surely, 2530202451 is an apocalyptic number.

530202451 is a deficient number, since it is larger than the sum of its proper divisors (5024813).

530202451 is a wasteful number, since it uses less digits than its factorization.

530202451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11981.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 530202451 is about 23026.1254013783. The cubic root of 530202451 is about 809.3702624530.

Adding to 530202451 its reverse (154202035), we get a palindrome (684404486).

The spelling of 530202451 in words is "five hundred thirty million, two hundred two thousand, four hundred fifty-one".

Divisors: 1 197 233 11551 45901 2275547 2691383 530202451