Base | Representation |
---|---|
bin | 1001111111100… |
… | …0011010110011 |
3 | 2220212100102211 |
4 | 2133320122303 |
5 | 41212140422 |
6 | 4054152551 |
7 | 1016150245 |
oct | 237703263 |
9 | 86770384 |
10 | 41911987 |
11 | 21727107 |
12 | 12052757 |
13 | 88b5bc0 |
14 | 57d0095 |
15 | 3a2d577 |
hex | 27f86b3 |
41911987 has 16 divisors (see below), whose sum is σ = 48081600. Its totient is φ = 36191232.
The previous prime is 41911981. The next prime is 41911997. The reversal of 41911987 is 78911914.
It is not a de Polignac number, because 41911987 - 211 = 41909939 is a prime.
It is a super-2 number, since 2×419119872 = 3513229308576338, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (41911981) 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, 43503 + ... + 44455.
It is an arithmetic number, because the mean of its divisors is an integer number (3005100).
Almost surely, 241911987 is an apocalyptic number.
41911987 is a deficient number, since it is larger than the sum of its proper divisors (6169613).
41911987 is a wasteful number, since it uses less digits than its factorization.
41911987 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1182.
The product of its digits is 18144, while the sum is 40.
The square root of 41911987 is about 6473.9467869299. The cubic root of 41911987 is about 347.3596887084.
The spelling of 41911987 in words is "forty-one million, nine hundred eleven thousand, nine hundred eighty-seven".
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