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89455090 = 2561314593
BaseRepresentation
bin1010101010011…
…11100111110010
320020022210022111
411111033213302
5140400030330
612513155534
72134233004
oct525174762
9206283274
1089455090
1146549a2a
1225b5bbaa
13156c0c0a
14bc48374
157cc032a
hex554f9f2

89455090 has 16 divisors (see below), whose sum is σ = 161292888. Its totient is φ = 35721216.

The previous prime is 89455061. The next prime is 89455099. The reversal of 89455090 is 9055498.

It can be written as a sum of positive squares in 4 ways, for example, as 20349121 + 69105969 = 4511^2 + 8313^2 .

It is not an unprimeable number, because it can be changed into a prime (89455099) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1167 + ... + 13426.

Almost surely, 289455090 is an apocalyptic number.

89455090 is a deficient number, since it is larger than the sum of its proper divisors (71837798).

89455090 is a wasteful number, since it uses less digits than its factorization.

89455090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15213.

The product of its (nonzero) digits is 64800, while the sum is 40.

The square root of 89455090 is about 9458.0700991270. The cubic root of 89455090 is about 447.2342127161.

The spelling of 89455090 in words is "eighty-nine million, four hundred fifty-five thousand, ninety".

Divisors: 1 2 5 10 613 1226 3065 6130 14593 29186 72965 145930 8945509 17891018 44727545 89455090