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89624090 = 2528573137
BaseRepresentation
bin1010101011110…
…00111000011010
320020122101010202
411111320320122
5140420432330
612520542202
72135535503
oct525707032
9206571122
1089624090
11466549a6
1226021962
131574cb0a
14bc8dbaa
157d05445
hex5578e1a

89624090 has 16 divisors (see below), whose sum is σ = 161431272. Its totient is φ = 35825664.

The previous prime is 89624039. The next prime is 89624099. The reversal of 89624090 is 9042698.

It is a Cunningham number, because it is equal to 94672+1.

It can be written as a sum of positive squares in 4 ways, for example, as 89624089 + 1 = 9467^2 + 1^2 .

It is not an unprimeable number, because it can be changed into a prime (89624099) 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, 27002 + ... + 30138.

Almost surely, 289624090 is an apocalyptic number.

89624090 is a deficient number, since it is larger than the sum of its proper divisors (71807182).

89624090 is a wasteful number, since it uses less digits than its factorization.

89624090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6001.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 89624090 is about 9467.0000528150. Note that the first 4 decimals coincide. The cubic root of 89624090 is about 447.5156762400.

The spelling of 89624090 in words is "eighty-nine million, six hundred twenty-four thousand, ninety".

Divisors: 1 2 5 10 2857 3137 5714 6274 14285 15685 28570 31370 8962409 17924818 44812045 89624090