Base | Representation |
---|---|
bin | 1000111000000… |
… | …00100001000100 |
3 | 12012002111120220 |
4 | 10130000201010 |
5 | 123024413022 |
6 | 11215424340 |
7 | 1562552226 |
oct | 434004104 |
9 | 165074526 |
10 | 74451012 |
11 | 39031169 |
12 | 20b250b0 |
13 | 1256976c |
14 | 9c60416 |
15 | 680985c |
hex | 4700844 |
74451012 has 24 divisors (see below), whose sum is σ = 173980800. Its totient is φ = 24779616.
The previous prime is 74451011. The next prime is 74451029. The reversal of 74451012 is 21015447.
It is not an unprimeable number, because it can be changed into a prime (74451011) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4314 + ... + 12942.
It is an arithmetic number, because the mean of its divisors is an integer number (7249200).
Almost surely, 274451012 is an apocalyptic number.
It is a pronic number, being equal to 8628×8629.
It is an amenable number.
74451012 is an abundant number, since it is smaller than the sum of its proper divisors (99529788).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
74451012 is a wasteful number, since it uses less digits than its factorization.
74451012 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9355 (or 9353 counting only the distinct ones).
The product of its (nonzero) digits is 1120, while the sum is 24.
The square root of 74451012 is about 8628.4999855131. The cubic root of 74451012 is about 420.6848464104.
Adding to 74451012 its reverse (21015447), we get a palindrome (95466459).
The spelling of 74451012 in words is "seventy-four million, four hundred fifty-one thousand, twelve".
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