Base | Representation |
---|---|
bin | 1100011010011… |
… | …10100111010001 |
3 | 21020221101220122 |
4 | 12031032213101 |
5 | 203124143100 |
6 | 14155520025 |
7 | 2403045665 |
oct | 615164721 |
9 | 236841818 |
10 | 104131025 |
11 | 538631a9 |
12 | 2aa59015 |
13 | 1875bbbb |
14 | db888a5 |
15 | 921d985 |
hex | 634e9d1 |
104131025 has 12 divisors (see below), whose sum is σ = 133575900. Its totient is φ = 80431680.
The previous prime is 104131007. The next prime is 104131067. The reversal of 104131025 is 520131401.
It can be written as a sum of positive squares in 6 ways, for example, as 9409 + 104121616 = 97^2 + 10204^2 .
It is not a de Polignac number, because 104131025 - 214 = 104114641 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 104130994 and 104131012.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 71090 + ... + 72539.
It is an arithmetic number, because the mean of its divisors is an integer number (11131325).
Almost surely, 2104131025 is an apocalyptic number.
It is an amenable number.
104131025 is a deficient number, since it is larger than the sum of its proper divisors (29444875).
104131025 is a wasteful number, since it uses less digits than its factorization.
104131025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 143668 (or 143663 counting only the distinct ones).
The product of its (nonzero) digits is 120, while the sum is 17.
The square root of 104131025 is about 10204.4610342732. The cubic root of 104131025 is about 470.4643441708.
Adding to 104131025 its reverse (520131401), we get a palindrome (624262426).
The spelling of 104131025 in words is "one hundred four million, one hundred thirty-one thousand, twenty-five".
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