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108137930 = 2519601947
BaseRepresentation
bin1100111001000…
…00110111001010
321112110222100112
412130200313022
5210140403210
614421434322
72452104635
oct634406712
9245428315
10108137930
115604a69a
123026b9a2
1319532954
141050cc1c
159760d05
hex6720dca

108137930 has 32 divisors (see below), whose sum is σ = 205450560. Its totient is φ = 40867200.

The previous prime is 108137917. The next prime is 108137947. The reversal of 108137930 is 39731801.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 113717 + ... + 114663.

It is an arithmetic number, because the mean of its divisors is an integer number (6420330).

Almost surely, 2108137930 is an apocalyptic number.

108137930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

108137930 is a deficient number, since it is larger than the sum of its proper divisors (97312630).

108137930 is a wasteful number, since it uses less digits than its factorization.

108137930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1574.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 108137930 is about 10398.9388881751. The cubic root of 108137930 is about 476.4229610385.

The spelling of 108137930 in words is "one hundred eight million, one hundred thirty-seven thousand, nine hundred thirty".

Divisors: 1 2 5 10 19 38 95 190 601 947 1202 1894 3005 4735 6010 9470 11419 17993 22838 35986 57095 89965 114190 179930 569147 1138294 2845735 5691470 10813793 21627586 54068965 108137930