Base | Representation |
---|---|
bin | 1000111011101… |
… | …11001010001001 |
3 | 12020000012012022 |
4 | 10131313022021 |
5 | 123140440334 |
6 | 11234054225 |
7 | 1566645062 |
oct | 435671211 |
9 | 166005168 |
10 | 74936969 |
11 | 39333288 |
12 | 2111a375 |
13 | 126a9a03 |
14 | 9d49569 |
15 | 68a382e |
hex | 4777289 |
74936969 has 8 divisors (see below), whose sum is σ = 83521440. Its totient is φ = 66816576.
The previous prime is 74936947. The next prime is 74936977. The reversal of 74936969 is 96963947.
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 74936969 - 28 = 74936713 is a prime.
It is a super-2 number, since 2×749369692 = 11231098645813922, which contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 74936969.
It is not an unprimeable number, because it can be changed into a prime (74936999) 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, 115679 + ... + 116324.
It is an arithmetic number, because the mean of its divisors is an integer number (10440180).
Almost surely, 274936969 is an apocalyptic number.
It is an amenable number.
74936969 is a deficient number, since it is larger than the sum of its proper divisors (8584471).
74936969 is a wasteful number, since it uses less digits than its factorization.
74936969 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 232039.
The product of its digits is 2204496, while the sum is 53.
The square root of 74936969 is about 8656.6141764549. The cubic root of 74936969 is about 421.5981608640.
The spelling of 74936969 in words is "seventy-four million, nine hundred thirty-six thousand, nine hundred sixty-nine".
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