Base | Representation |
---|---|
bin | 1000110101100… |
… | …10011000111001 |
3 | 12011111020121122 |
4 | 10122302120321 |
5 | 122434143001 |
6 | 11204515025 |
7 | 1560050240 |
oct | 432623071 |
9 | 164436548 |
10 | 74131001 |
11 | 3893279a |
12 | 209aba75 |
13 | 12486bc9 |
14 | 9bb9957 |
15 | 6794b1b |
hex | 46b2639 |
74131001 has 16 divisors (see below), whose sum is σ = 88771584. Its totient is φ = 60526224.
The previous prime is 74130997. The next prime is 74131003. The reversal of 74131001 is 10013147.
It is a cyclic number.
It is not a de Polignac number, because 74131001 - 22 = 74130997 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (74131003) 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 15 ways as a sum of consecutive naturals, for example, 44750 + ... + 46376.
It is an arithmetic number, because the mean of its divisors is an integer number (5548224).
Almost surely, 274131001 is an apocalyptic number.
It is an amenable number.
74131001 is a deficient number, since it is larger than the sum of its proper divisors (14640583).
74131001 is a wasteful number, since it uses less digits than its factorization.
74131001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1940.
The product of its (nonzero) digits is 84, while the sum is 17.
The square root of 74131001 is about 8609.9361786253. The cubic root of 74131001 is about 420.0812408983.
Adding to 74131001 its reverse (10013147), we get a palindrome (84144148).
The spelling of 74131001 in words is "seventy-four million, one hundred thirty-one thousand, one".
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