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98112805 = 5753227233
BaseRepresentation
bin1011101100100…
…01010100100101
320211121122110121
411312101110211
5200104102210
613422521541
72300642110
oct566212445
9224548417
1098112805
115042266a
1228a362b1
131743281b
14d05d577
1589306da
hex5d91525

98112805 has 32 divisors (see below), whose sum is σ = 138288384. Its totient is φ = 65435136.

The previous prime is 98112793. The next prime is 98112809. The reversal of 98112805 is 50821189.

It is a cyclic number.

It is not a de Polignac number, because 98112805 - 221 = 96015653 is a prime.

It is a super-3 number, since 3×981128053 (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98112809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 420969 + ... + 421201.

It is an arithmetic number, because the mean of its divisors is an integer number (4321512).

Almost surely, 298112805 is an apocalyptic number.

It is an amenable number.

98112805 is a deficient number, since it is larger than the sum of its proper divisors (40175579).

98112805 is a wasteful number, since it uses less digits than its factorization.

98112805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525.

The product of its (nonzero) digits is 5760, while the sum is 34.

The square root of 98112805 is about 9905.1908108829. The cubic root of 98112805 is about 461.2204594248.

The spelling of 98112805 in words is "ninety-eight million, one hundred twelve thousand, eight hundred five".

Divisors: 1 5 7 35 53 227 233 265 371 1135 1165 1589 1631 1855 7945 8155 12031 12349 52891 60155 61745 84217 86443 264455 370237 421085 432215 1851185 2803223 14016115 19622561 98112805