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98899889 = 11293173137
BaseRepresentation
bin1011110010100…
…01011110110001
320220002122010212
411321101132301
5200304244024
613451433505
72310430604
oct571213661
9226078125
1098899889
115090aa50
1229155895
1317649b5a
14d1c633b
158a38a0e
hex5e517b1

98899889 has 32 divisors (see below), whose sum is σ = 117642240. Its totient is φ = 82252800.

The previous prime is 98899877. The next prime is 98899903.

98899889 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 98899889 - 216 = 98834353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (98899289) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 721829 + ... + 721965.

It is an arithmetic number, because the mean of its divisors is an integer number (3676320).

Almost surely, 298899889 is an apocalyptic number.

It is an amenable number.

98899889 is a deficient number, since it is larger than the sum of its proper divisors (18742351).

98899889 is a wasteful number, since it uses less digits than its factorization.

98899889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281.

The product of its digits is 26873856, while the sum is 68.

The square root of 98899889 is about 9944.8423315807. The cubic root of 98899889 is about 462.4505156699.

The spelling of 98899889 in words is "ninety-eight million, eight hundred ninety-nine thousand, eight hundred eighty-nine".

Divisors: 1 11 29 31 73 137 319 341 803 899 1507 2117 2263 3973 4247 9889 10001 23287 24893 43703 46717 65627 110011 123163 290029 310031 721897 1354793 3190319 3410341 8990899 98899889