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853350966 = 2321321631721
BaseRepresentation
bin110010110111010…
…001101000110110
32012110201201110100
4302313101220312
53221424212331
6220402134530
730101235456
oct6267215066
92173651410
10853350966
113a8770236
121b9951446
13107a42600
1481495d66
154edb4ae6
hex32dd1a36

853350966 has 72 divisors (see below), whose sum is σ = 2015545896. Its totient is φ = 260807040.

The previous prime is 853350961. The next prime is 853350977. The reversal of 853350966 is 669053358.

Added to its reverse (669053358) it gives a square (1522404324 = 390182).

853350966 is a `hidden beast` number, since 8 + 533 + 50 + 9 + 66 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (853350961) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 494986 + ... + 496706.

It is an arithmetic number, because the mean of its divisors is an integer number (27993693).

Almost surely, 2853350966 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 853350966, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1007772948).

853350966 is an abundant number, since it is smaller than the sum of its proper divisors (1162194930).

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

853350966 is a wasteful number, since it uses less digits than its factorization.

853350966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1918 (or 1902 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 45.

The square root of 853350966 is about 29212.1715385899. The cubic root of 853350966 is about 948.5114142267.

Adding to 853350966 its reverse (669053358), we get a square (1522404324 = 390182).

The spelling of 853350966 in words is "eight hundred fifty-three million, three hundred fifty thousand, nine hundred sixty-six".

Divisors: 1 2 3 6 9 13 18 26 39 78 117 163 169 234 326 338 489 507 978 1014 1467 1521 1721 2119 2934 3042 3442 4238 5163 6357 10326 12714 15489 19071 22373 27547 30978 38142 44746 55094 67119 82641 134238 165282 201357 247923 280523 290849 402714 495846 561046 581698 841569 872547 1683138 1745094 2524707 2617641 3646799 5049414 5235282 7293598 10940397 21880794 32821191 47408387 65642382 94816774 142225161 284450322 426675483 853350966