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8408089 = 19442531
BaseRepresentation
bin100000000100…
…110000011001
3120211011201201
4200010300121
54123024324
6500114201
7131316244
oct40046031
916734651
108408089
114823138
122995961
131985101
14118c25b
15b11444
hex804c19

8408089 has 4 divisors (see below), whose sum is σ = 8850640. Its totient is φ = 7965540.

The previous prime is 8408083. The next prime is 8408093. The reversal of 8408089 is 9808048.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8408089 - 27 = 8407961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8408083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 221247 + ... + 221284.

It is an arithmetic number, because the mean of its divisors is an integer number (2212660).

Almost surely, 28408089 is an apocalyptic number.

It is an amenable number.

8408089 is a deficient number, since it is larger than the sum of its proper divisors (442551).

8408089 is a wasteful number, since it uses less digits than its factorization.

8408089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442550.

The product of its (nonzero) digits is 18432, while the sum is 37.

The square root of 8408089 is about 2899.6704985222. The cubic root of 8408089 is about 203.3445014619.

The spelling of 8408089 in words is "eight million, four hundred eight thousand, eighty-nine".

Divisors: 1 19 442531 8408089