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530313240 = 23355974903
BaseRepresentation
bin11111100110111…
…111000000011000
31100221212201000010
4133212333000120
52041230010430
6124342241520
716066405512
oct3746770030
91327781003
10530313240
11252391206
121297262a0
1385b39822
1450606bb2
1531854cb0
hex1f9bf018

530313240 has 64 divisors (see below), whose sum is σ = 1617926400. Its totient is φ = 139018112.

The previous prime is 530313233. The next prime is 530313257. The reversal of 530313240 is 42313035.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30372 + ... + 44531.

It is an arithmetic number, because the mean of its divisors is an integer number (25280100).

Almost surely, 2530313240 is an apocalyptic number.

It is an amenable number.

530313240 is an abundant number, since it is smaller than the sum of its proper divisors (1087613160).

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

530313240 is a wasteful number, since it uses less digits than its factorization.

530313240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74976 (or 74972 counting only the distinct ones).

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

The square root of 530313240 is about 23028.5309996100. The cubic root of 530313240 is about 809.4266327928.

Adding to 530313240 its reverse (42313035), we get a palindrome (572626275).

The spelling of 530313240 in words is "five hundred thirty million, three hundred thirteen thousand, two hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 59 60 118 120 177 236 295 354 472 590 708 885 1180 1416 1770 2360 3540 7080 74903 149806 224709 299612 374515 449418 599224 749030 898836 1123545 1498060 1797672 2247090 2996120 4419277 4494180 8838554 8988360 13257831 17677108 22096385 26515662 35354216 44192770 53031324 66289155 88385540 106062648 132578310 176771080 265156620 530313240