Base | Representation |
---|---|
bin | 1001110111110… |
… | …0111011000001 |
3 | 2212220122112221 |
4 | 2131330323001 |
5 | 41044444040 |
6 | 4035251041 |
7 | 1011642424 |
oct | 235747301 |
9 | 85818487 |
10 | 41406145 |
11 | 21411060 |
12 | 11a49a81 |
13 | 87698a1 |
14 | 56db9bb |
15 | 397d74a |
hex | 277cec1 |
41406145 has 16 divisors (see below), whose sum is σ = 55672128. Its totient is φ = 29298240.
The previous prime is 41406143. The next prime is 41406151. The reversal of 41406145 is 54160414.
It is not a de Polignac number, because 41406145 - 21 = 41406143 is a prime.
It is a super-2 number, since 2×414061452 = 3428937687522050, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (41406143) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8139 + ... + 12208.
It is an arithmetic number, because the mean of its divisors is an integer number (3479508).
Almost surely, 241406145 is an apocalyptic number.
41406145 is the 4070-th heptagonal number.
It is an amenable number.
41406145 is a deficient number, since it is larger than the sum of its proper divisors (14265983).
41406145 is a wasteful number, since it uses less digits than its factorization.
41406145 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20400.
The product of its (nonzero) digits is 1920, while the sum is 25.
The square root of 41406145 is about 6434.7606793105. The cubic root of 41406145 is about 345.9565834794.
Adding to 41406145 its reverse (54160414), we get a palindrome (95566559).
The spelling of 41406145 in words is "forty-one million, four hundred six thousand, one hundred forty-five".
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