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108021670 = 2531348457
BaseRepresentation
bin1100111000001…
…00011110100110
321112021001212121
412130010132212
5210123143140
614415140154
72451111661
oct634043646
9245231777
10108021670
1155a80309
123021465a
13194c1a63
14104bc6d8
15973b64a
hex67047a6

108021670 has 16 divisors (see below), whose sum is σ = 200711808. Its totient is φ = 41814720.

The previous prime is 108021653. The next prime is 108021671. The reversal of 108021670 is 76120801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108021671) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 173919 + ... + 174538.

It is an arithmetic number, because the mean of its divisors is an integer number (12544488).

Almost surely, 2108021670 is an apocalyptic number.

108021670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

108021670 is a deficient number, since it is larger than the sum of its proper divisors (92690138).

108021670 is a wasteful number, since it uses less digits than its factorization.

108021670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348495.

The product of its (nonzero) digits is 672, while the sum is 25.

The square root of 108021670 is about 10393.3473914808. The cubic root of 108021670 is about 476.2521643686.

The spelling of 108021670 in words is "one hundred eight million, twenty-one thousand, six hundred seventy".

Divisors: 1 2 5 10 31 62 155 310 348457 696914 1742285 3484570 10802167 21604334 54010835 108021670