Base | Representation |
---|---|
bin | 1100011010001… |
… | …11101000011111 |
3 | 21020212221200121 |
4 | 12031013220133 |
5 | 203122234211 |
6 | 14155135411 |
7 | 2402566426 |
oct | 615075037 |
9 | 236787617 |
10 | 104102431 |
11 | 53843774 |
12 | 2aa44567 |
13 | 1874bb94 |
14 | db7c2bd |
15 | 9215271 |
hex | 6347a1f |
104102431 has 4 divisors (see below), whose sum is σ = 107692200. Its totient is φ = 100512664.
The previous prime is 104102419. The next prime is 104102477. The reversal of 104102431 is 134201401.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 134201401 = 151 ⋅888751.
It is a cyclic number.
It is not a de Polignac number, because 104102431 - 211 = 104100383 is a prime.
It is a super-2 number, since 2×1041024312 = 21674632280219522, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (104100431) 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, 1794841 + ... + 1794898.
It is an arithmetic number, because the mean of its divisors is an integer number (26923050).
Almost surely, 2104102431 is an apocalyptic number.
104102431 is a deficient number, since it is larger than the sum of its proper divisors (3589769).
104102431 is an equidigital number, since it uses as much as digits as its factorization.
104102431 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3589768.
The product of its (nonzero) digits is 96, while the sum is 16.
The square root of 104102431 is about 10203.0598841720. The cubic root of 104102431 is about 470.4212776305.
Adding to 104102431 its reverse (134201401), we get a palindrome (238303832).
The spelling of 104102431 in words is "one hundred four million, one hundred two thousand, four hundred thirty-one".
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