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530266720 = 255171371423
BaseRepresentation
bin11111100110110…
…011101001100000
31100221210100012011
4133212303221200
52041222013340
6124341242304
716066123054
oct3746635140
91327710164
10530266720
1125235a265
12129703394
1385b215b9
14505d3c64
15318460ea
hex1f9b3a60

530266720 has 96 divisors (see below), whose sum is σ = 1337067648. Its totient is φ = 198033408.

The previous prime is 530266661. The next prime is 530266729. The reversal of 530266720 is 27662035.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (530266729) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 371929 + ... + 373351.

It is an arithmetic number, because the mean of its divisors is an integer number (13927788).

Almost surely, 2530266720 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 530266720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (668533824).

530266720 is an abundant number, since it is smaller than the sum of its proper divisors (806800928).

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

530266720 is a wasteful number, since it uses less digits than its factorization.

530266720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1592 (or 1584 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 31.

The square root of 530266720 is about 23027.5209260572. The cubic root of 530266720 is about 809.4029639966.

The spelling of 530266720 in words is "five hundred thirty million, two hundred sixty-six thousand, seven hundred twenty".

Divisors: 1 2 4 5 8 10 16 17 20 32 34 40 68 80 85 136 137 160 170 272 274 340 544 548 680 685 1096 1360 1370 1423 2192 2329 2720 2740 2846 4384 4658 5480 5692 7115 9316 10960 11384 11645 14230 18632 21920 22768 23290 24191 28460 37264 45536 46580 48382 56920 74528 93160 96764 113840 120955 186320 193528 194951 227680 241910 372640 387056 389902 483820 774112 779804 967640 974755 1559608 1935280 1949510 3119216 3314167 3870560 3899020 6238432 6628334 7798040 13256668 15596080 16570835 26513336 31192160 33141670 53026672 66283340 106053344 132566680 265133360 530266720