Base | Representation |
---|---|
bin | 111011010101… |
… | …0001111101101 |
3 | 2011112100110011 |
4 | 1312222033231 |
5 | 30430343104 |
6 | 3030413221 |
7 | 525253063 |
oct | 166521755 |
9 | 64470404 |
10 | 31106029 |
11 | 16616469 |
12 | a501211 |
13 | 65a1546 |
14 | 41ba033 |
15 | 2ae6904 |
hex | 1daa3ed |
31106029 has 2 divisors, whose sum is σ = 31106030. Its totient is φ = 31106028.
The previous prime is 31106017. The next prime is 31106041. The reversal of 31106029 is 92060113.
It is a balanced prime because it is at equal distance from previous prime (31106017) and next prime (31106041).
It can be written as a sum of positive squares in only one way, i.e., 30858025 + 248004 = 5555^2 + 498^2 .
It is a cyclic number.
It is not a de Polignac number, because 31106029 - 27 = 31105901 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (31106099) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15553014 + 15553015.
It is an arithmetic number, because the mean of its divisors is an integer number (15553015).
Almost surely, 231106029 is an apocalyptic number.
It is an amenable number.
31106029 is a deficient number, since it is larger than the sum of its proper divisors (1).
31106029 is an equidigital number, since it uses as much as digits as its factorization.
31106029 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 324, while the sum is 22.
The square root of 31106029 is about 5577.2779202762. The cubic root of 31106029 is about 314.4958054849.
The spelling of 31106029 in words is "thirty-one million, one hundred six thousand, twenty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.061 sec. • engine limits •