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89328850 = 25213532593
BaseRepresentation
bin1010101001100…
…00110011010010
320020002101010221
411110300303102
5140332010400
612510343254
72133165652
oct524606322
9206071127
1089328850
11464730a6
1225abab2a
1315678610
14bc14362
157c97c1a
hex5530cd2

89328850 has 48 divisors (see below), whose sum is σ = 182378952. Its totient is φ = 32348160.

The previous prime is 89328839. The next prime is 89328851. The reversal of 89328850 is 5882398.

It can be written as a sum of positive squares in 12 ways, for example, as 4338889 + 84989961 = 2083^2 + 9219^2 .

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 89328797 and 89328806.

It is not an unprimeable number, because it can be changed into a prime (89328851) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33154 + ... + 35746.

Almost surely, 289328850 is an apocalyptic number.

89328850 is an abundant number, since it is smaller than the sum of its proper divisors (93050102).

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

89328850 is a wasteful number, since it uses less digits than its factorization.

89328850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2671 (or 2666 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 43.

The square root of 89328850 is about 9451.3940770661. The cubic root of 89328850 is about 447.0237330728.

The spelling of 89328850 in words is "eighty-nine million, three hundred twenty-eight thousand, eight hundred fifty".

Divisors: 1 2 5 10 13 25 26 50 53 65 106 130 265 325 530 650 689 1325 1378 2593 2650 3445 5186 6890 12965 17225 25930 33709 34450 64825 67418 129650 137429 168545 274858 337090 687145 842725 1374290 1685450 1786577 3435725 3573154 6871450 8932885 17865770 44664425 89328850