Base | Representation |
---|---|
bin | 1100011111011… |
… | …10110011000100 |
3 | 21022011201221012 |
4 | 12033232303010 |
5 | 203311142030 |
6 | 14221541352 |
7 | 2411450603 |
oct | 617566304 |
9 | 238151835 |
10 | 104787140 |
11 | 54171147 |
12 | 2b114858 |
13 | 1892b733 |
14 | dcb9a3a |
15 | 92ed095 |
hex | 63eecc4 |
104787140 has 12 divisors (see below), whose sum is σ = 220053036. Its totient is φ = 41914848.
The previous prime is 104787139. The next prime is 104787143. The reversal of 104787140 is 41787401.
It can be written as a sum of positive squares in 2 ways, for example, as 59197636 + 45589504 = 7694^2 + 6752^2 .
It is a junction number, because it is equal to n+sod(n) for n = 104787097 and 104787106.
It is not an unprimeable number, because it can be changed into a prime (104787143) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2619659 + ... + 2619698.
It is an arithmetic number, because the mean of its divisors is an integer number (18337753).
Almost surely, 2104787140 is an apocalyptic number.
104787140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
104787140 is an abundant number, since it is smaller than the sum of its proper divisors (115265896).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
104787140 is a wasteful number, since it uses less digits than its factorization.
104787140 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5239366 (or 5239364 counting only the distinct ones).
The product of its (nonzero) digits is 6272, while the sum is 32.
The square root of 104787140 is about 10236.5589921614. The cubic root of 104787140 is about 471.4503860648.
The spelling of 104787140 in words is "one hundred four million, seven hundred eighty-seven thousand, one hundred forty".
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