Base | Representation |
---|---|
bin | 1000111010110… |
… | …00000000010001 |
3 | 12012202201011002 |
4 | 10131120000101 |
5 | 123122344421 |
6 | 11231231345 |
7 | 1565604044 |
oct | 435300021 |
9 | 165681132 |
10 | 74809361 |
11 | 39256420 |
12 | 21078555 |
13 | 126638c3 |
14 | 9d14c5b |
15 | 687ab0b |
hex | 4758011 |
74809361 has 8 divisors (see below), whose sum is σ = 81765984. Its totient is φ = 67878720.
The previous prime is 74809351. The next prime is 74809373. The reversal of 74809361 is 16390847.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 74809361 - 210 = 74808337 is a prime.
It is a super-3 number, since 3×748093613 (a number of 25 digits) contains 333 as substring.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (74809351) 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, 200 + ... + 12233.
It is an arithmetic number, because the mean of its divisors is an integer number (10220748).
Almost surely, 274809361 is an apocalyptic number.
It is an amenable number.
74809361 is a deficient number, since it is larger than the sum of its proper divisors (6956623).
74809361 is a wasteful number, since it uses less digits than its factorization.
74809361 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12991.
The product of its (nonzero) digits is 36288, while the sum is 38.
The square root of 74809361 is about 8649.2404868867. The cubic root of 74809361 is about 421.3587157877.
The spelling of 74809361 in words is "seventy-four million, eight hundred nine thousand, three hundred sixty-one".
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