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89090892250 = 2533111495599
BaseRepresentation
bin101001011111000111…
…0110010000111011010
322111221220020020201221
41102332032302013122
52424424232023000
6104532223002254
76302520042433
oct1227616620732
9274856206657
1089090892250
1134868538a78
121532443938a
13852a68a1b9
14445229048a
1524b665161a
hex14be3b21da

89090892250 has 32 divisors (see below), whose sum is σ = 172158105600. Its totient is φ = 34486794000.

The previous prime is 89090892239. The next prime is 89090892271. The reversal of 89090892250 is 5229809098.

It is a happy number.

It is a super-2 number, since 2×890908922502 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5740050 + ... + 5755549.

It is an arithmetic number, because the mean of its divisors is an integer number (5379940800).

Almost surely, 289090892250 is an apocalyptic number.

89090892250 is a deficient number, since it is larger than the sum of its proper divisors (83067213350).

89090892250 is a wasteful number, since it uses less digits than its factorization.

89090892250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11495647 (or 11495637 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 52.

The spelling of 89090892250 in words is "eighty-nine billion, ninety million, eight hundred ninety-two thousand, two hundred fifty".

Divisors: 1 2 5 10 25 31 50 62 125 155 250 310 775 1550 3875 7750 11495599 22991198 57477995 114955990 287389975 356363569 574779950 712727138 1436949875 1781817845 2873899750 3563635690 8909089225 17818178450 44545446125 89090892250