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89470090 = 258947009
BaseRepresentation
bin1010101010100…
…11010010001010
320020100112220001
411111103102022
5140401020330
612513353214
72134324513
oct525232212
9206315801
1089470090
114655a226
1225b6880a
13156c79a8
14bc4da0a
157cc49ca
hex555348a

89470090 has 8 divisors (see below), whose sum is σ = 161046180. Its totient is φ = 35788032.

The previous prime is 89470063. The next prime is 89470097. The reversal of 89470090 is 9007498.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 88981489 + 488601 = 9433^2 + 699^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (89470097) 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, 4473495 + ... + 4473514.

Almost surely, 289470090 is an apocalyptic number.

89470090 is a deficient number, since it is larger than the sum of its proper divisors (71576090).

89470090 is a wasteful number, since it uses less digits than its factorization.

89470090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8947016.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 89470090 is about 9458.8630394990. The cubic root of 89470090 is about 447.2592090141.

The spelling of 89470090 in words is "eighty-nine million, four hundred seventy thousand, ninety".

Divisors: 1 2 5 10 8947009 17894018 44735045 89470090