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89492418 = 2333747953
BaseRepresentation
bin1010101010110…
…00101111000010
320020101200112000
411111120233002
5140402224133
612514044430
72134446561
oct525305702
9206350460
1089492418
1146574a84
1225b79716
1315704bc2
14bc57bd8
157ccb413
hex5558bc2

89492418 has 64 divisors (see below), whose sum is σ = 208811520. Its totient is φ = 28377216.

The previous prime is 89492411. The next prime is 89492419. The reversal of 89492418 is 81429498.

It is not an unprimeable number, because it can be changed into a prime (89492411) by changing a digit.

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, 93430 + ... + 94382.

It is an arithmetic number, because the mean of its divisors is an integer number (3262680).

Almost surely, 289492418 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89492418, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104405760).

89492418 is an abundant number, since it is smaller than the sum of its proper divisors (119319102).

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

89492418 is a wasteful number, since it uses less digits than its factorization.

89492418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1048 (or 1042 counting only the distinct ones).

The product of its digits is 165888, while the sum is 45.

The square root of 89492418 is about 9460.0432345735. The cubic root of 89492418 is about 447.2964116629.

The spelling of 89492418 in words is "eighty-nine million, four hundred ninety-two thousand, four hundred eighteen".

Divisors: 1 2 3 6 9 18 27 37 47 54 74 94 111 141 222 282 333 423 666 846 953 999 1269 1739 1906 1998 2538 2859 3478 5217 5718 8577 10434 15651 17154 25731 31302 35261 44791 46953 51462 70522 89582 93906 105783 134373 211566 268746 317349 403119 634698 806238 952047 1209357 1657267 1904094 2418714 3314534 4971801 9943602 14915403 29830806 44746209 89492418