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107928138 = 231710310273
BaseRepresentation
bin1100110111011…
…01101001001010
321112002022120110
412123231221022
5210112200023
614413135150
72450242203
oct633555112
9245068513
10107928138
1155a1700a
123018a4b6
131948b306
14104965aa
15971da93
hex66eda4a

107928138 has 32 divisors (see below), whose sum is σ = 230795136. Its totient is φ = 33527808.

The previous prime is 107928127. The next prime is 107928157. The reversal of 107928138 is 831829701.

It is a junction number, because it is equal to n+sod(n) for n = 107928096 and 107928105.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5370 + ... + 15642.

It is an arithmetic number, because the mean of its divisors is an integer number (7212348).

Almost surely, 2107928138 is an apocalyptic number.

107928138 is an abundant number, since it is smaller than the sum of its proper divisors (122866998).

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

107928138 is a wasteful number, since it uses less digits than its factorization.

107928138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10398.

The product of its (nonzero) digits is 24192, while the sum is 39.

The square root of 107928138 is about 10388.8468079956. The cubic root of 107928138 is about 476.1146682526.

The spelling of 107928138 in words is "one hundred seven million, nine hundred twenty-eight thousand, one hundred thirty-eight".

Divisors: 1 2 3 6 17 34 51 102 103 206 309 618 1751 3502 5253 10273 10506 20546 30819 61638 174641 349282 523923 1047846 1058119 2116238 3174357 6348714 17988023 35976046 53964069 107928138