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108485091 = 32112137997
BaseRepresentation
bin1100111011101…
…01100111100011
321120010121120100
412131311213203
5210233010331
614433113443
72455052031
oct635654743
9246117510
10108485091
1156267500
12303b8883
1319624980
141059d551
1597cdae6
hex67759e3

108485091 has 72 divisors (see below), whose sum is σ = 189775040. Its totient is φ = 59304960.

The previous prime is 108485077. The next prime is 108485099. The reversal of 108485091 is 190584801.

108485091 is a `hidden beast` number, since 108 + 48 + 509 + 1 = 666.

It is not a de Polignac number, because 108485091 - 214 = 108468707 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108485099) 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 71 ways as a sum of consecutive naturals, for example, 1118355 + ... + 1118451.

Almost surely, 2108485091 is an apocalyptic number.

108485091 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

108485091 is a deficient number, since it is larger than the sum of its proper divisors (81289949).

108485091 is a wasteful number, since it uses less digits than its factorization.

108485091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217 (or 203 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 36.

The square root of 108485091 is about 10415.6176485123. The cubic root of 108485091 is about 476.9322451658.

The spelling of 108485091 in words is "one hundred eight million, four hundred eighty-five thousand, ninety-one".

Divisors: 1 3 9 11 13 33 39 79 97 99 117 121 143 237 291 363 429 711 869 873 1027 1067 1089 1261 1287 1573 2607 3081 3201 3783 4719 7663 7821 9243 9559 9603 11297 11349 11737 13871 14157 22989 28677 33891 35211 41613 68967 84293 86031 99619 101673 105633 124267 124839 152581 252879 298857 372801 457743 758637 896571 927223 1095809 1118403 1373229 2781669 3287427 8345007 9862281 12053899 36161697 108485091