Base | Representation |
---|---|
bin | 1100110111011… |
… | …01101001001010 |
3 | 21112002022120110 |
4 | 12123231221022 |
5 | 210112200023 |
6 | 14413135150 |
7 | 2450242203 |
oct | 633555112 |
9 | 245068513 |
10 | 107928138 |
11 | 55a1700a |
12 | 3018a4b6 |
13 | 1948b306 |
14 | 104965aa |
15 | 971da93 |
hex | 66eda4a |
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".
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