Base | Representation |
---|---|
bin | 1000110100101… |
… | …00010110011101 |
3 | 12011020222211202 |
4 | 10122110112131 |
5 | 122421223330 |
6 | 11202125245 |
7 | 1556025443 |
oct | 432242635 |
9 | 164228752 |
10 | 74007965 |
11 | 38859309 |
12 | 20950825 |
13 | 12442bc5 |
14 | 9b86b93 |
15 | 676d445 |
hex | 469459d |
74007965 has 4 divisors (see below), whose sum is σ = 88809564. Its totient is φ = 59206368.
The previous prime is 74007961. The next prime is 74007977. The reversal of 74007965 is 56970047.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 56970047 = 37 ⋅1539731.
It can be written as a sum of positive squares in 2 ways, for example, as 15194404 + 58813561 = 3898^2 + 7669^2 .
It is a cyclic number.
It is not a de Polignac number, because 74007965 - 22 = 74007961 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (74007961) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7400792 + ... + 7400801.
It is an arithmetic number, because the mean of its divisors is an integer number (22202391).
Almost surely, 274007965 is an apocalyptic number.
It is an amenable number.
74007965 is a deficient number, since it is larger than the sum of its proper divisors (14801599).
74007965 is a wasteful number, since it uses less digits than its factorization.
74007965 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14801598.
The product of its (nonzero) digits is 52920, while the sum is 38.
The square root of 74007965 is about 8602.7882108070. The cubic root of 74007965 is about 419.8487077908.
The spelling of 74007965 in words is "seventy-four million, seven thousand, nine hundred sixty-five".
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