Base | Representation |
---|---|
bin | 1000101000000… |
… | …11111110101011 |
3 | 12001011200021220 |
4 | 10110003332223 |
5 | 122011234133 |
6 | 11103033123 |
7 | 1536055356 |
oct | 424037653 |
9 | 161150256 |
10 | 72368043 |
11 | 37939200 |
12 | 2029b7a3 |
13 | 11cba637 |
14 | 987b29d |
15 | 65475b3 |
hex | 4503fab |
72368043 has 48 divisors (see below), whose sum is σ = 112358400. Its totient is φ = 41342400.
The previous prime is 72368027. The next prime is 72368047. The reversal of 72368043 is 34086327.
It is not a de Polignac number, because 72368043 - 24 = 72368027 is a prime.
It is a super-3 number, since 3×723680433 (a number of 25 digits) contains 333 as substring.
It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.
It is a Harshad number since it is a multiple of its sum of digits (33).
It is a junction number, because it is equal to n+sod(n) for n = 72367995 and 72368013.
It is not an unprimeable number, because it can be changed into a prime (72368047) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 663873 + ... + 663981.
It is an arithmetic number, because the mean of its divisors is an integer number (2340800).
Almost surely, 272368043 is an apocalyptic number.
72368043 is a deficient number, since it is larger than the sum of its proper divisors (39990357).
72368043 is a wasteful number, since it uses less digits than its factorization.
72368043 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 224 (or 213 counting only the distinct ones).
The product of its (nonzero) digits is 24192, while the sum is 33.
The square root of 72368043 is about 8506.9408720174. The cubic root of 72368043 is about 416.7244123345.
The spelling of 72368043 in words is "seventy-two million, three hundred sixty-eight thousand, forty-three".
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