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89489610 = 235575261
BaseRepresentation
bin1010101010110…
…00000011001010
320020101112200000
411111120003022
5140402131420
612514023430
72134435440
oct525300312
9206345600
1089489610
1146572961
1225b77b76
1315703842
14bc56b90
157cca690
hex55580ca

89489610 has 96 divisors (see below), whose sum is σ = 275812992. Its totient is φ = 20450880.

The previous prime is 89489597. The next prime is 89489627. The reversal of 89489610 is 1698498.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14380 + ... + 19640.

It is an arithmetic number, because the mean of its divisors is an integer number (2873052).

Almost surely, 289489610 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89489610, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137906496).

89489610 is an abundant number, since it is smaller than the sum of its proper divisors (186323382).

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

89489610 is a wasteful number, since it uses less digits than its factorization.

89489610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5290 (or 5278 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 45.

The square root of 89489610 is about 9459.8948197113. The cubic root of 89489610 is about 447.2917333468.

The spelling of 89489610 in words is "eighty-nine million, four hundred eighty-nine thousand, six hundred ten".

Divisors: 1 2 3 5 6 7 9 10 14 15 18 21 27 30 35 42 45 54 63 70 81 90 105 126 135 162 189 210 243 270 315 378 405 486 567 630 810 945 1134 1215 1701 1890 2430 2835 3402 5261 5670 8505 10522 15783 17010 26305 31566 36827 47349 52610 73654 78915 94698 110481 142047 157830 184135 220962 236745 284094 331443 368270 426141 473490 552405 662886 710235 852282 994329 1104810 1278423 1420470 1657215 1988658 2130705 2556846 2982987 3314430 4261410 4971645 5965974 6392115 8948961 9943290 12784230 14914935 17897922 29829870 44744805 89489610