Base | Representation |
---|---|
bin | 1100011111011… |
… | …01010011110000 |
3 | 21022011102120021 |
4 | 12033231103300 |
5 | 203310443130 |
6 | 14221453224 |
7 | 2411424040 |
oct | 617552360 |
9 | 238142507 |
10 | 104781040 |
11 | 54167601 |
12 | 2b111214 |
13 | 18928a20 |
14 | dcb7720 |
15 | 92eb37a |
hex | 63ed4f0 |
104781040 has 160 divisors (see below), whose sum is σ = 308730240. Its totient is φ = 32182272.
The previous prime is 104781037. The next prime is 104781043. The reversal of 104781040 is 40187401.
It is an interprime number because it is at equal distance from previous prime (104781037) and next prime (104781043).
It is a nialpdrome in base 14.
It is a junction number, because it is equal to n+sod(n) for n = 104780996 and 104781014.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (104781043) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 269166 + ... + 269554.
It is an arithmetic number, because the mean of its divisors is an integer number (1929564).
Almost surely, 2104781040 is an apocalyptic number.
104781040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 104781040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154365120).
104781040 is an abundant number, since it is smaller than the sum of its proper divisors (203949200).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
104781040 is a wasteful number, since it uses less digits than its factorization.
104781040 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 459 (or 453 counting only the distinct ones).
The product of its (nonzero) digits is 896, while the sum is 25.
The square root of 104781040 is about 10236.2610361401. The cubic root of 104781040 is about 471.4412376675.
The spelling of 104781040 in words is "one hundred four million, seven hundred eighty-one thousand, forty".
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