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89398900 = 2252893989
BaseRepresentation
bin1010101010000…
…01111001110100
320020012221020101
411111001321310
5140341231100
612512043444
72133610123
oct525017164
9206187211
1089398900
1146510798
1225b33584
13156a1476
14bc31aba
157cad86a
hex5541e74

89398900 has 18 divisors (see below), whose sum is σ = 193995830. Its totient is φ = 35759520.

The previous prime is 89398891. The next prime is 89398931. The reversal of 89398900 is 989398.

It can be written as a sum of positive squares in 3 ways, for example, as 209764 + 89189136 = 458^2 + 9444^2 .

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 446895 + ... + 447094.

Almost surely, 289398900 is an apocalyptic number.

It is an amenable number.

89398900 is an abundant number, since it is smaller than the sum of its proper divisors (104596930).

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

89398900 is a wasteful number, since it uses less digits than its factorization.

89398900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 894003 (or 893996 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 46.

The square root of 89398900 is about 9455.0991533669. The cubic root of 89398900 is about 447.1405517370.

The spelling of 89398900 in words is "eighty-nine million, three hundred ninety-eight thousand, nine hundred".

Divisors: 1 2 4 5 10 20 25 50 100 893989 1787978 3575956 4469945 8939890 17879780 22349725 44699450 89398900