Base | Representation |
---|---|
bin | 1100011010010… |
… | …10111000010011 |
3 | 21020220121221012 |
4 | 12031022320103 |
5 | 203123200411 |
6 | 14155321135 |
7 | 2402653256 |
oct | 615127023 |
9 | 236817835 |
10 | 104115731 |
11 | 53852765 |
12 | 2aa501ab |
13 | 18754c55 |
14 | db8309d |
15 | 921918b |
hex | 634ae13 |
104115731 has 2 divisors, whose sum is σ = 104115732. Its totient is φ = 104115730.
The previous prime is 104115727. The next prime is 104115757. The reversal of 104115731 is 137511401.
It is a happy number.
It is a weak prime.
It is an emirp because it is prime and its reverse (137511401) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 104115731 - 22 = 104115727 is a prime.
It is a super-2 number, since 2×1041157312 = 21680170883328722, which contains 22 as substring.
It is a Chen prime.
It is a junction number, because it is equal to n+sod(n) for n = 104115697 and 104115706.
It is not a weakly prime, because it can be changed into another prime (104115131) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52057865 + 52057866.
It is an arithmetic number, because the mean of its divisors is an integer number (52057866).
Almost surely, 2104115731 is an apocalyptic number.
104115731 is a deficient number, since it is larger than the sum of its proper divisors (1).
104115731 is an equidigital number, since it uses as much as digits as its factorization.
104115731 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 420, while the sum is 23.
The square root of 104115731 is about 10203.7116286183. The cubic root of 104115731 is about 470.4413102608.
The spelling of 104115731 in words is "one hundred four million, one hundred fifteen thousand, seven hundred thirty-one".
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