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530280828 = 2232711191299
BaseRepresentation
bin11111100110110…
…111000101111100
31100221211001112200
4133212313011330
52041222441303
6124341431500
716066212150
oct3746670574
91327731480
10530280828
11252369920
1212970b590
1385b27b4c
14505d9060
153184a3a3
hex1f9b717c

530280828 has 72 divisors (see below), whose sum is σ = 1671196800. Its totient is φ = 137734560.

The previous prime is 530280809. The next prime is 530280841. The reversal of 530280828 is 828082035.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 530280792 and 530280801.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 92878 + ... + 98421.

Almost surely, 2530280828 is an apocalyptic number.

It is an amenable number.

530280828 is an abundant number, since it is smaller than the sum of its proper divisors (1140915972).

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

530280828 is a wasteful number, since it uses less digits than its factorization.

530280828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191327 (or 191322 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The square root of 530280828 is about 23027.8272531301. The cubic root of 530280828 is about 809.4101421174.

The spelling of 530280828 in words is "five hundred thirty million, two hundred eighty thousand, eight hundred twenty-eight".

Divisors: 1 2 3 4 6 7 9 11 12 14 18 21 22 28 33 36 42 44 63 66 77 84 99 126 132 154 198 231 252 308 396 462 693 924 1386 2772 191299 382598 573897 765196 1147794 1339093 1721691 2104289 2295588 2678186 3443382 4017279 4208578 5356372 6312867 6886764 8034558 8417156 12051837 12625734 14730023 16069116 18938601 24103674 25251468 29460046 37877202 44190069 48207348 58920092 75754404 88380138 132570207 176760276 265140414 530280828