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829027830 = 235475771019
BaseRepresentation
bin110001011010011…
…111010111110110
32010202221222101110
4301122133113312
53144212342310
6214132535450
726354422521
oct6132372766
92122858343
10829027830
11395a67974
121b1781586
131029a7517
147c163bb8
154cbacd20
hex3169f5f6

829027830 has 64 divisors (see below), whose sum is σ = 2037519360. Its totient is φ = 215783424.

The previous prime is 829027819. The next prime is 829027873. The reversal of 829027830 is 38720928.

It is a Curzon number.

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 31 ways as a sum of consecutive naturals, for example, 813061 + ... + 814079.

It is an arithmetic number, because the mean of its divisors is an integer number (31836240).

Almost surely, 2829027830 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 829027830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1018759680).

829027830 is an abundant number, since it is smaller than the sum of its proper divisors (1208491530).

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

829027830 is a wasteful number, since it uses less digits than its factorization.

829027830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1653.

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 829027830 is about 28792.8433816461. The cubic root of 829027830 is about 939.4125762467.

The spelling of 829027830 in words is "eight hundred twenty-nine million, twenty-seven thousand, eight hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 47 94 141 235 282 470 577 705 1019 1154 1410 1731 2038 2885 3057 3462 5095 5770 6114 8655 10190 15285 17310 27119 30570 47893 54238 81357 95786 135595 143679 162714 239465 271190 287358 406785 478930 587963 718395 813570 1175926 1436790 1763889 2939815 3527778 5879630 8819445 17638890 27634261 55268522 82902783 138171305 165805566 276342610 414513915 829027830