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89830849 is a prime number
BaseRepresentation
bin1010101101010…
…11010111000001
320021000212202111
411112223113001
5140444041344
612525215321
72140356343
oct526532701
9207025674
1089830849
1146786279
1226101541
13157c2c64
14bd05293
157d46834
hex55ab5c1

89830849 has 2 divisors, whose sum is σ = 89830850. Its totient is φ = 89830848.

The previous prime is 89830837. The next prime is 89830883. The reversal of 89830849 is 94803898.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 85229824 + 4601025 = 9232^2 + 2145^2 .

It is a cyclic number.

It is not a de Polignac number, because 89830849 - 27 = 89830721 is a prime.

It is not a weakly prime, because it can be changed into another prime (89830649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44915424 + 44915425.

It is an arithmetic number, because the mean of its divisors is an integer number (44915425).

Almost surely, 289830849 is an apocalyptic number.

It is an amenable number.

89830849 is a deficient number, since it is larger than the sum of its proper divisors (1).

89830849 is an equidigital number, since it uses as much as digits as its factorization.

89830849 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 497664, while the sum is 49.

The square root of 89830849 is about 9477.9137472336. The cubic root of 89830849 is about 447.8595452158.

The spelling of 89830849 in words is "eighty-nine million, eight hundred thirty thousand, eight hundred forty-nine".