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530232400 = 24521325581
BaseRepresentation
bin11111100110101…
…011010001010000
31100221201121010001
4133212223101100
52041214414100
6124340415344
716065621025
oct3746532120
91327647101
10530232400
112523364a5
121296a7554
1385b0baa9
14505c554c
153183ad6a
hex1f9ab450

530232400 has 30 divisors (see below), whose sum is σ = 1273884302. Its totient is φ = 212092800.

The previous prime is 530232383. The next prime is 530232407. The reversal of 530232400 is 4232035.

It can be written as a sum of positive squares in 3 ways, for example, as 34012224 + 496220176 = 5832^2 + 22276^2 .

It is a super-2 number, since 2×5302324002 = 562292796019520000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (530232407) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 662391 + ... + 663190.

Almost surely, 2530232400 is an apocalyptic number.

530232400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

530232400 is an abundant number, since it is smaller than the sum of its proper divisors (743651902).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

530232400 is a wasteful number, since it uses less digits than its factorization.

530232400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1325599 (or 1325588 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 530232400 is about 23026.7757187149. The cubic root of 530232400 is about 809.3855015209.

Adding to 530232400 its reverse (4232035), we get a palindrome (534464435).

The spelling of 530232400 in words is "five hundred thirty million, two hundred thirty-two thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 200 400 1325581 2651162 5302324 6627905 10604648 13255810 21209296 26511620 33139525 53023240 66279050 106046480 132558100 265116200 530232400