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530866140 = 2235717149499
BaseRepresentation
bin11111101001000…
…101111111011100
31100222220210102220
4133221011333130
52041400204030
6124402145340
716104200460
oct3751057734
91328823386
10530866140
11252729652
12129952250
1385ca139c
145070c4a0
1531913a10
hex1fa45fdc

530866140 has 192 divisors, whose sum is σ = 1814400000. Its totient is φ = 113209344.

The previous prime is 530866111. The next prime is 530866181. The reversal of 530866140 is 41668035.

It is a super-4 number, since 4×5308661404 (a number of 36 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 1063611 + ... + 1064109.

It is an arithmetic number, because the mean of its divisors is an integer number (9450000).

Almost surely, 2530866140 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 530866140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (907200000).

530866140 is an abundant number, since it is smaller than the sum of its proper divisors (1283533860).

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

530866140 is a wasteful number, since it uses less digits than its factorization.

530866140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 684 (or 682 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 530866140 is about 23040.5325459287. The cubic root of 530866140 is about 809.7078354925.

The spelling of 530866140 in words is "five hundred thirty million, eight hundred sixty-six thousand, one hundred forty".