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9489690 = 233575021
BaseRepresentation
bin100100001100…
…110100011010
3122212010102000
4210030310122
54412132230
6535221430
7143442510
oct44146432
918763360
109489690
1153a1821
123217876
131c73502
1413904b0
15c76b60
hex90cd1a

9489690 has 64 divisors (see below), whose sum is σ = 28926720. Its totient is φ = 2168640.

The previous prime is 9489673. The next prime is 9489691. The reversal of 9489690 is 969849.

It is a super-2 number, since 2×94896902 = 180108432592200, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9489691) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 621 + ... + 4400.

It is an arithmetic number, because the mean of its divisors is an integer number (451980).

Almost surely, 29489690 is an apocalyptic number.

9489690 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 9489690, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14463360).

9489690 is an abundant number, since it is smaller than the sum of its proper divisors (19437030).

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

9489690 is a wasteful number, since it uses less digits than its factorization.

9489690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5044 (or 5038 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 45.

The square root of 9489690 is about 3080.5340446098. The cubic root of 9489690 is about 211.7145350917.

The spelling of 9489690 in words is "nine million, four hundred eighty-nine thousand, six hundred ninety".

Divisors: 1 2 3 5 6 7 9 10 14 15 18 21 27 30 35 42 45 54 63 70 90 105 126 135 189 210 270 315 378 630 945 1890 5021 10042 15063 25105 30126 35147 45189 50210 70294 75315 90378 105441 135567 150630 175735 210882 225945 271134 316323 351470 451890 527205 632646 677835 948969 1054410 1355670 1581615 1897938 3163230 4744845 9489690