Base | Representation |
---|---|
bin | 1000101011100… |
… | …00111011010101 |
3 | 12002000100102200 |
4 | 10111300323111 |
5 | 122120024133 |
6 | 11120355113 |
7 | 1542624366 |
oct | 425607325 |
9 | 162010380 |
10 | 72814293 |
11 | 38113502 |
12 | 20475a99 |
13 | 121157a6 |
14 | 9955b6d |
15 | 65d4913 |
hex | 4570ed5 |
72814293 has 12 divisors (see below), whose sum is σ = 105312480. Its totient is φ = 48479976.
The previous prime is 72814283. The next prime is 72814333. The reversal of 72814293 is 39241827.
It is not a de Polignac number, because 72814293 - 28 = 72814037 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (72814223) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2730 + ... + 12372.
It is an arithmetic number, because the mean of its divisors is an integer number (8776040).
Almost surely, 272814293 is an apocalyptic number.
It is an amenable number.
72814293 is a deficient number, since it is larger than the sum of its proper divisors (32498187).
72814293 is a wasteful number, since it uses less digits than its factorization.
72814293 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10488 (or 10485 counting only the distinct ones).
The product of its digits is 24192, while the sum is 36.
The square root of 72814293 is about 8533.1291446925. The cubic root of 72814293 is about 417.5792202689.
The spelling of 72814293 in words is "seventy-two million, eight hundred fourteen thousand, two hundred ninety-three".
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