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830542330 = 253741531033
BaseRepresentation
bin110001100000010…
…001000111111010
32010212210220220001
4301200101013322
53200104323310
6214225223214
726403331132
oct6140210772
92125726801
10830542330
11396901822
121b2191b0a
131030b7987
147c439ac2
154cdab93a
hex318111fa

830542330 has 64 divisors (see below), whose sum is σ = 1604056608. Its totient is φ = 309104640.

The previous prime is 830542319. The next prime is 830542381. The reversal of 830542330 is 33245038.

It can be written as a sum of positive squares in 16 ways, for example, as 329095881 + 501446449 = 18141^2 + 22393^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 803494 + ... + 804526.

Almost surely, 2830542330 is an apocalyptic number.

830542330 is a deficient number, since it is larger than the sum of its proper divisors (773514278).

830542330 is a wasteful number, since it uses less digits than its factorization.

830542330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1171.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 830542330 is about 28819.1313193163. The cubic root of 830542330 is about 939.9842799544.

Adding to 830542330 its reverse (33245038), we get a palindrome (863787368).

The spelling of 830542330 in words is "eight hundred thirty million, five hundred forty-two thousand, three hundred thirty".

Divisors: 1 2 5 10 37 41 53 74 82 106 185 205 265 370 410 530 1033 1517 1961 2066 2173 3034 3922 4346 5165 7585 9805 10330 10865 15170 19610 21730 38221 42353 54749 76442 80401 84706 109498 160802 191105 211765 273745 382210 402005 423530 547490 804010 1567061 2025713 2244709 3134122 4051426 4489418 7835305 10128565 11223545 15670610 20257130 22447090 83054233 166108466 415271165 830542330