Base | Representation |
---|---|
bin | 110100111010… |
… | …101111101000 |
3 | 222002202221122 |
4 | 310322233220 |
5 | 12022401404 |
6 | 1213154412 |
7 | 225624311 |
oct | 64725750 |
9 | 28082848 |
10 | 13872104 |
11 | 7915354 |
12 | 478ba08 |
13 | 2b4915c |
14 | 1bb1608 |
15 | 13403be |
hex | d3abe8 |
13872104 has 16 divisors (see below), whose sum is σ = 26645220. Its totient is φ = 6766720.
The previous prime is 13872073. The next prime is 13872107. The reversal of 13872104 is 40127831.
It can be written as a sum of positive squares in 2 ways, for example, as 11628100 + 2244004 = 3410^2 + 1498^2 .
It is not an unprimeable number, because it can be changed into a prime (13872107) 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, 20819 + ... + 21474.
Almost surely, 213872104 is an apocalyptic number.
It is an amenable number.
13872104 is a deficient number, since it is larger than the sum of its proper divisors (12773116).
13872104 is a wasteful number, since it uses less digits than its factorization.
13872104 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 42340 (or 42336 counting only the distinct ones).
The product of its (nonzero) digits is 1344, while the sum is 26.
The square root of 13872104 is about 3724.5273525643. The cubic root of 13872104 is about 240.2780573557.
Adding to 13872104 its reverse (40127831), we get a palindrome (53999935).
The spelling of 13872104 in words is "thirteen million, eight hundred seventy-two thousand, one hundred four".
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