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98809685 = 51310714207
BaseRepresentation
bin1011110001110…
…11011101010101
320212221001101222
411320323131111
5200243402220
613445500125
72306603612
oct570733525
9225831358
1098809685
11508591a7
1229111645
1317617a90
14d1a1509
158a1be25
hex5e3b755

98809685 has 16 divisors (see below), whose sum is σ = 128894976. Its totient is φ = 72280128.

The previous prime is 98809673. The next prime is 98809687. The reversal of 98809685 is 58690889.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-98809685 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98809687) 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 15 ways as a sum of consecutive naturals, for example, 149 + ... + 14058.

It is an arithmetic number, because the mean of its divisors is an integer number (8055936).

Almost surely, 298809685 is an apocalyptic number.

It is an amenable number.

98809685 is a deficient number, since it is larger than the sum of its proper divisors (30085291).

98809685 is a wasteful number, since it uses less digits than its factorization.

98809685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14332.

The product of its (nonzero) digits is 1244160, while the sum is 53.

The square root of 98809685 is about 9940.3060818065. The cubic root of 98809685 is about 462.3098765667.

The spelling of 98809685 in words is "ninety-eight million, eight hundred nine thousand, six hundred eighty-five".

Divisors: 1 5 13 65 107 535 1391 6955 14207 71035 184691 923455 1520149 7600745 19761937 98809685