Base | Representation |
---|---|
bin | 100000000000111… |
… | …0010000101010101 |
3 | 2202212022110212120 |
4 | 1000001302011111 |
5 | 4144444142414 |
6 | 254332010153 |
7 | 35422424661 |
oct | 10001620525 |
9 | 2685273776 |
10 | 1074209109 |
11 | 5013aa226 |
12 | 25b900959 |
13 | 1417207bc |
14 | a29478a1 |
15 | 6448e2a9 |
hex | 40072155 |
1074209109 has 8 divisors (see below), whose sum is σ = 1432440960. Its totient is φ = 716058336.
The previous prime is 1074209083. The next prime is 1074209131. The reversal of 1074209109 is 9019024701.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 1074209109 - 25 = 1074209077 is a prime.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 1074209109.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1074209189) 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, 25257 + ... + 52785.
It is an arithmetic number, because the mean of its divisors is an integer number (179055120).
Almost surely, 21074209109 is an apocalyptic number.
It is an amenable number.
1074209109 is a deficient number, since it is larger than the sum of its proper divisors (358231851).
1074209109 is a wasteful number, since it uses less digits than its factorization.
1074209109 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 40539.
The product of its (nonzero) digits is 4536, while the sum is 33.
The square root of 1074209109 is about 32775.1294276621. The cubic root of 1074209109 is about 1024.1485243575.
The spelling of 1074209109 in words is "one billion, seventy-four million, two hundred nine thousand, one hundred nine".
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