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89359120 = 2451116989
BaseRepresentation
bin1010101001110…
…00001100010000
320020010220200001
411110320030100
5140333442440
612511135344
72133353134
oct524701420
9206126601
1089359120
1146493914
1225b14554
1315689326
14bc213c4
157ca1b9a
hex5538310

89359120 has 20 divisors (see below), whose sum is σ = 207760140. Its totient is φ = 35743616.

The previous prime is 89359103. The next prime is 89359129. The reversal of 89359120 is 2195398.

It can be written as a sum of positive squares in 2 ways, for example, as 59721984 + 29637136 = 7728^2 + 5444^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a self number, because there is not a number n which added to its sum of digits gives 89359120.

It is not an unprimeable number, because it can be changed into a prime (89359129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 558415 + ... + 558574.

It is an arithmetic number, because the mean of its divisors is an integer number (10388007).

Almost surely, 289359120 is an apocalyptic number.

89359120 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

89359120 is an abundant number, since it is smaller than the sum of its proper divisors (118401020).

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

89359120 is a wasteful number, since it uses less digits than its factorization.

89359120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1117002 (or 1116996 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 37.

The square root of 89359120 is about 9452.9952924986. The cubic root of 89359120 is about 447.0742202345.

The spelling of 89359120 in words is "eighty-nine million, three hundred fifty-nine thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 1116989 2233978 4467956 5584945 8935912 11169890 17871824 22339780 44679560 89359120