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108072198 = 23313153949
BaseRepresentation
bin1100111000100…
…00110100000110
321112100122012000
412130100310012
5210131302243
614420210130
72451412203
oct634206406
9245318160
10108072198
1156005273
1230239946
131950ba60
14104d2caa
15974b5d3
hex6710d06

108072198 has 32 divisors (see below), whose sum is σ = 258636000. Its totient is φ = 33252768.

The previous prime is 108072191. The next prime is 108072221. The reversal of 108072198 is 891270801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108072191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76273 + ... + 77676.

It is an arithmetic number, because the mean of its divisors is an integer number (8082375).

Almost surely, 2108072198 is an apocalyptic number.

108072198 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

108072198 is an abundant number, since it is smaller than the sum of its proper divisors (150563802).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

108072198 is a wasteful number, since it uses less digits than its factorization.

108072198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153973 (or 153967 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 36.

The square root of 108072198 is about 10395.7778929717. Note that the first 3 decimals coincide. The cubic root of 108072198 is about 476.3264097130.

The spelling of 108072198 in words is "one hundred eight million, seventy-two thousand, one hundred ninety-eight".

Divisors: 1 2 3 6 9 13 18 26 27 39 54 78 117 234 351 702 153949 307898 461847 923694 1385541 2001337 2771082 4002674 4156623 6004011 8313246 12008022 18012033 36024066 54036099 108072198