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8489899 = 11771809
BaseRepresentation
bin100000011000…
…101110101011
3120222022221201
4200120232223
54133134044
6501545031
7132106615
oct40305653
916868851
108489899
114879650
122a15177
1319b3412
1411addb5
15b2a7d4
hex818bab

8489899 has 4 divisors (see below), whose sum is σ = 9261720. Its totient is φ = 7718080.

The previous prime is 8489891. The next prime is 8489917. The reversal of 8489899 is 9989848.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8489899 - 23 = 8489891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8489891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 385894 + ... + 385915.

It is an arithmetic number, because the mean of its divisors is an integer number (2315430).

Almost surely, 28489899 is an apocalyptic number.

8489899 is a deficient number, since it is larger than the sum of its proper divisors (771821).

8489899 is a wasteful number, since it uses less digits than its factorization.

8489899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 771820.

The product of its digits is 1492992, while the sum is 55.

The square root of 8489899 is about 2913.7431252600. The cubic root of 8489899 is about 204.0018822715.

The spelling of 8489899 in words is "eight million, four hundred eighty-nine thousand, eight hundred ninety-nine".

Divisors: 1 11 771809 8489899