Base | Representation |
---|---|
bin | 1000110111101… |
… | …01111111101000 |
3 | 12012000022110121 |
4 | 10123311333220 |
5 | 123022023122 |
6 | 11214453024 |
7 | 1562312455 |
oct | 433657750 |
9 | 165008417 |
10 | 74407912 |
11 | 39001847 |
12 | 20b04174 |
13 | 12552c67 |
14 | 9c4c82c |
15 | 67ebbc7 |
hex | 46f5fe8 |
74407912 has 32 divisors (see below), whose sum is σ = 149211720. Its totient is φ = 34662400.
The previous prime is 74407877. The next prime is 74407937. The reversal of 74407912 is 21970447.
It can be written as a sum of positive squares in 4 ways, for example, as 71470116 + 2937796 = 8454^2 + 1714^2 .
It is a Harshad number since it is a multiple of its sum of digits (34).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11028 + ... + 16444.
Almost surely, 274407912 is an apocalyptic number.
It is an amenable number.
74407912 is an abundant number, since it is smaller than the sum of its proper divisors (74803808).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
74407912 is a wasteful number, since it uses less digits than its factorization.
74407912 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5541 (or 5537 counting only the distinct ones).
The product of its (nonzero) digits is 14112, while the sum is 34.
The square root of 74407912 is about 8626.0020867143. The cubic root of 74407912 is about 420.6036520057.
The spelling of 74407912 in words is "seventy-four million, four hundred seven thousand, nine hundred twelve".
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