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848489994 = 2321123710529
BaseRepresentation
bin110010100100101…
…110111000001010
32012010120202110100
4302210232320022
53214203134434
6220110030230
730012021522
oct6244567012
92163522410
10848489994
113a5a50100
121b81a8376
13106a2cbb1
148098c682
154e754699
hex3292ee0a

848489994 has 72 divisors (see below), whose sum is σ = 2075526180. Its totient is φ = 250145280.

The previous prime is 848489969. The next prime is 848490017. The reversal of 848489994 is 499984848.

It can be written as a sum of positive squares in 2 ways, for example, as 723341025 + 125148969 = 26895^2 + 11187^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 75322 + ... + 85850.

Almost surely, 2848489994 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 848489994, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1037763090).

848489994 is an abundant number, since it is smaller than the sum of its proper divisors (1227036186).

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

848489994 is a wasteful number, since it uses less digits than its factorization.

848489994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10596 (or 10582 counting only the distinct ones).

The product of its digits is 23887872, while the sum is 63.

The square root of 848489994 is about 29128.8515736546. The cubic root of 848489994 is about 946.7069710793.

The spelling of 848489994 in words is "eight hundred forty-eight million, four hundred eighty-nine thousand, nine hundred ninety-four".

Divisors: 1 2 3 6 9 11 18 22 33 37 66 74 99 111 121 198 222 242 333 363 407 666 726 814 1089 1221 2178 2442 3663 4477 7326 8954 10529 13431 21058 26862 31587 40293 63174 80586 94761 115819 189522 231638 347457 389573 694914 779146 1042371 1168719 1274009 2084742 2337438 2548018 3506157 3822027 4285303 7012314 7644054 8570606 11466081 12855909 22932162 25711818 38567727 47138333 77135454 94276666 141414999 282829998 424244997 848489994