Base | Representation |
---|---|
bin | 1000111011000… |
… | …00110001101101 |
3 | 12012211112102220 |
4 | 10131200301231 |
5 | 123130022133 |
6 | 11232105553 |
7 | 1566113565 |
oct | 435406155 |
9 | 165745386 |
10 | 74845293 |
11 | 39280416 |
12 | 210952b9 |
13 | 12677073 |
14 | 9d23da5 |
15 | 68865b3 |
hex | 4760c6d |
74845293 has 16 divisors (see below), whose sum is σ = 100876800. Its totient is φ = 49359024.
The previous prime is 74845283. The next prime is 74845321. The reversal of 74845293 is 39254847.
It is not a de Polignac number, because 74845293 - 25 = 74845261 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (74845283) 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, 168730 + ... + 169172.
It is an arithmetic number, because the mean of its divisors is an integer number (6304800).
Almost surely, 274845293 is an apocalyptic number.
It is an amenable number.
74845293 is a deficient number, since it is larger than the sum of its proper divisors (26031507).
74845293 is a wasteful number, since it uses less digits than its factorization.
74845293 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 928.
The product of its digits is 241920, while the sum is 42.
The square root of 74845293 is about 8651.3174141283. The cubic root of 74845293 is about 421.4261665175.
The spelling of 74845293 in words is "seventy-four million, eight hundred forty-five thousand, two hundred ninety-three".
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