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530396720 = 2457947137
BaseRepresentation
bin11111100111010…
…011011000110000
31100222000221111222
4133213103120300
52041240143340
6124344124212
716100204060
oct3747233060
91328027458
10530396720
112524389a7
12129766668
1385b68819
14506293a0
153186e8b5
hex1f9d3630

530396720 has 40 divisors (see below), whose sum is σ = 1409341344. Its totient is φ = 181850112.

The previous prime is 530396681. The next prime is 530396731. The reversal of 530396720 is 27693035.

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

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a zygodrome in base 3.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 473009 + ... + 474128.

Almost surely, 2530396720 is an apocalyptic number.

It is an amenable number.

530396720 is an abundant number, since it is smaller than the sum of its proper divisors (878944624).

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

530396720 is a wasteful number, since it uses less digits than its factorization.

530396720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 947157 (or 947151 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 35.

The square root of 530396720 is about 23030.3434624844. The cubic root of 530396720 is about 809.4691029060.

The spelling of 530396720 in words is "five hundred thirty million, three hundred ninety-six thousand, seven hundred twenty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 35 40 56 70 80 112 140 280 560 947137 1894274 3788548 4735685 6629959 7577096 9471370 13259918 15154192 18942740 26519836 33149795 37885480 53039672 66299590 75770960 106079344 132599180 265198360 530396720