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530143432 = 237132925111
BaseRepresentation
bin11111100110010…
…101100011001000
31100221120002001221
4133212111203020
52041204042212
6124334451424
716065100450
oct3746254310
91327502057
10530143432
11252285675
12129663b74
1385aaa450
14505a0d60
153181e807
hex1f9958c8

530143432 has 64 divisors (see below), whose sum is σ = 1265644800. Its totient is φ = 202487040.

The previous prime is 530143423. The next prime is 530143433. The reversal of 530143432 is 234341035.

It is a junction number, because it is equal to n+sod(n) for n = 530143397 and 530143406.

It is not an unprimeable number, because it can be changed into a prime (530143433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8557 + ... + 33667.

It is an arithmetic number, because the mean of its divisors is an integer number (19775700).

Almost surely, 2530143432 is an apocalyptic number.

530143432 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 530143432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (632822400).

530143432 is an abundant number, since it is smaller than the sum of its proper divisors (735501368).

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

530143432 is a wasteful number, since it uses less digits than its factorization.

530143432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25166 (or 25162 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 530143432 is about 23024.8437996873. The cubic root of 530143432 is about 809.3402299022.

Adding to 530143432 its reverse (234341035), we get a palindrome (764484467).

The spelling of 530143432 in words is "five hundred thirty million, one hundred forty-three thousand, four hundred thirty-two".

Divisors: 1 2 4 7 8 13 14 26 28 29 52 56 58 91 104 116 182 203 232 364 377 406 728 754 812 1508 1624 2639 3016 5278 10556 21112 25111 50222 100444 175777 200888 326443 351554 652886 703108 728219 1305772 1406216 1456438 2285101 2611544 2912876 4570202 5097533 5825752 9140404 9466847 10195066 18280808 18933694 20390132 37867388 40780264 66267929 75734776 132535858 265071716 530143432