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530729556 = 22378376123
BaseRepresentation
bin11111101000100…
…100101001010100
31100222122212002020
4133220210221110
52041331321211
6124355213140
716103061330
oct3750445124
91328585066
10530729556
11252645a75
121298a71b0
1385c54176
14506b47c0
15318d8306
hex1fa24a54

530729556 has 48 divisors (see below), whose sum is σ = 1432349184. Its totient is φ = 149808096.

The previous prime is 530729539. The next prime is 530729561. The reversal of 530729556 is 655927035.

It is a super-2 number, since 2×5307295562 = 563347723223914272, which contains 22 as substring.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 31090 + ... + 45033.

It is an arithmetic number, because the mean of its divisors is an integer number (29840608).

Almost surely, 2530729556 is an apocalyptic number.

It is an amenable number.

530729556 is an abundant number, since it is smaller than the sum of its proper divisors (901619628).

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

530729556 is a wasteful number, since it uses less digits than its factorization.

530729556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76220 (or 76218 counting only the distinct ones).

The product of its (nonzero) digits is 283500, while the sum is 42.

The square root of 530729556 is about 23037.5683612659. The cubic root of 530729556 is about 809.6383875892.

The spelling of 530729556 in words is "five hundred thirty million, seven hundred twenty-nine thousand, five hundred fifty-six".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 83 84 166 249 332 498 581 996 1162 1743 2324 3486 6972 76123 152246 228369 304492 456738 532861 913476 1065722 1598583 2131444 3197166 6318209 6394332 12636418 18954627 25272836 37909254 44227463 75818508 88454926 132682389 176909852 265364778 530729556