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530133240 = 2335713431129
BaseRepresentation
bin11111100110010…
…011000011111000
31100221112120002110
4133212103003320
52041203230430
6124334332320
716065025650
oct3746230370
91327476073
10530133240
11252278a4a
1212965a0a0
1385aa5910
145059b360
153181b7b0
hex1f9930f8

530133240 has 256 divisors, whose sum is σ = 2004710400. Its totient is φ = 109154304.

The previous prime is 530133223. The next prime is 530133271. The reversal of 530133240 is 42331035.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 468996 + ... + 470124.

It is an arithmetic number, because the mean of its divisors is an integer number (7830900).

Almost surely, 2530133240 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 530133240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1002355200).

530133240 is an abundant number, since it is smaller than the sum of its proper divisors (1474577160).

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

530133240 is a wasteful number, since it uses less digits than its factorization.

530133240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1206 (or 1202 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 530133240 is about 23024.6224724750. The cubic root of 530133240 is about 809.3350433508.

Adding to 530133240 its reverse (42331035), we get a palindrome (572464275).

The spelling of 530133240 in words is "five hundred thirty million, one hundred thirty-three thousand, two hundred forty".