Base | Representation |
---|---|
bin | 111110001000011… |
… | …110011001100101 |
3 | 2200122110212102000 |
4 | 332020132121211 |
5 | 4113324042221 |
6 | 251234235513 |
7 | 34555221321 |
oct | 7610363145 |
9 | 2618425360 |
10 | 1042409061 |
11 | 49545a3a1 |
12 | 251125b99 |
13 | 137c683c5 |
14 | 9c62a981 |
15 | 617abe26 |
hex | 3e21e665 |
1042409061 has 8 divisors (see below), whose sum is σ = 1544309760. Its totient is φ = 694939356.
The previous prime is 1042409041. The next prime is 1042409083. The reversal of 1042409061 is 1609042401.
It is not a de Polignac number, because 1042409061 - 27 = 1042408933 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 38607743 = 1042409061 / (1 + 0 + 4 + 2 + 4 + 0 + 9 + 0 + 6 + 1).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1042409041) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19303845 + ... + 19303898.
It is an arithmetic number, because the mean of its divisors is an integer number (193038720).
Almost surely, 21042409061 is an apocalyptic number.
It is an amenable number.
1042409061 is a deficient number, since it is larger than the sum of its proper divisors (501900699).
1042409061 is an equidigital number, since it uses as much as digits as its factorization.
1042409061 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 38607752 (or 38607746 counting only the distinct ones).
The product of its (nonzero) digits is 1728, while the sum is 27.
The square root of 1042409061 is about 32286.3602934738. The cubic root of 1042409061 is about 1013.9410963297.
The spelling of 1042409061 in words is "one billion, forty-two million, four hundred nine thousand, sixty-one".
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