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530120240 = 24513509731
BaseRepresentation
bin11111100110001…
…111111000110000
31100221111220020222
4133212033320300
52041202321430
6124334152212
716064643026
oct3746177060
91327456228
10530120240
1125226a201
12129652668
1385a9ca20
1450596716
15318179e5
hex1f98fe30

530120240 has 40 divisors (see below), whose sum is σ = 1327342128. Its totient is φ = 195736320.

The previous prime is 530120219. The next prime is 530120263. The reversal of 530120240 is 42021035.

It is a tau number, because it is divible by the number of its divisors (40).

It is a zygodrome in base 2.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 253826 + ... + 255905.

Almost surely, 2530120240 is an apocalyptic number.

It is an amenable number.

530120240 is an abundant number, since it is smaller than the sum of its proper divisors (797221888).

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

530120240 is a wasteful number, since it uses less digits than its factorization.

530120240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509757 (or 509751 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 530120240 is about 23024.3401642696. The cubic root of 530120240 is about 809.3284277551.

Adding to 530120240 its reverse (42021035), we get a palindrome (572141275).

The spelling of 530120240 in words is "five hundred thirty million, one hundred twenty thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 13 16 20 26 40 52 65 80 104 130 208 260 520 1040 509731 1019462 2038924 2548655 4077848 5097310 6626503 8155696 10194620 13253006 20389240 26506012 33132515 40778480 53012024 66265030 106024048 132530060 265060120 530120240