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98889449 = 293409981
BaseRepresentation
bin1011110010011…
…10111011101001
320220002002211012
411321032323221
5200303430244
613451313305
72310355301
oct571167351
9226062735
1098889449
115090311a
122914b835
1317645189
14d1c2601
158a3589e
hex5e4eee9

98889449 has 4 divisors (see below), whose sum is σ = 102299460. Its totient is φ = 95479440.

The previous prime is 98889431. The next prime is 98889481. The reversal of 98889449 is 94498889.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 94498889 = 719131431.

It can be written as a sum of positive squares in 2 ways, for example, as 54760000 + 44129449 = 7400^2 + 6643^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-98889449 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (98889649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1704962 + ... + 1705019.

It is an arithmetic number, because the mean of its divisors is an integer number (25574865).

Almost surely, 298889449 is an apocalyptic number.

It is an amenable number.

98889449 is a deficient number, since it is larger than the sum of its proper divisors (3410011).

98889449 is a wasteful number, since it uses less digits than its factorization.

98889449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3410010.

The product of its digits is 5971968, while the sum is 59.

The square root of 98889449 is about 9944.3174225283. The cubic root of 98889449 is about 462.4342428061.

The spelling of 98889449 in words is "ninety-eight million, eight hundred eighty-nine thousand, four hundred forty-nine".

Divisors: 1 29 3409981 98889449