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98115985 = 5115397347
BaseRepresentation
bin1011101100100…
…10000110010001
320211121210211101
411312102012101
5200104202420
613422544401
72300654302
oct566220621
9224553741
1098115985
1150424aa0
1228a38101
13174340c6
14d0607a9
15893160a
hex5d92191

98115985 has 32 divisors (see below), whose sum is σ = 132596352. Its totient is φ = 69089280.

The previous prime is 98115977. The next prime is 98115991. The reversal of 98115985 is 58951189.

It is not a de Polignac number, because 98115985 - 23 = 98115977 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 282582 + ... + 282928.

It is an arithmetic number, because the mean of its divisors is an integer number (4143636).

Almost surely, 298115985 is an apocalyptic number.

It is an amenable number.

98115985 is a deficient number, since it is larger than the sum of its proper divisors (34480367).

98115985 is a wasteful number, since it uses less digits than its factorization.

98115985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513.

The product of its digits is 129600, while the sum is 46.

The square root of 98115985 is about 9905.3513314773. The cubic root of 98115985 is about 461.2254423463.

The spelling of 98115985 in words is "ninety-eight million, one hundred fifteen thousand, nine hundred eighty-five".

Divisors: 1 5 11 53 55 97 265 347 485 583 1067 1735 2915 3817 5141 5335 18391 19085 25705 33659 56551 91955 168295 202301 282755 370249 1011505 1783927 1851245 8919635 19623197 98115985