Base | Representation |
---|---|
bin | 1000101110101… |
… | …01001110010001 |
3 | 12002210012221221 |
4 | 10113111032101 |
5 | 122221200410 |
6 | 11133245041 |
7 | 1546255162 |
oct | 427251621 |
9 | 162705857 |
10 | 73225105 |
11 | 38374118 |
12 | 20633781 |
13 | 1222a785 |
14 | 9a21769 |
15 | 66664da |
hex | 45d5391 |
73225105 has 4 divisors (see below), whose sum is σ = 87870132. Its totient is φ = 58580080.
The previous prime is 73225093. The next prime is 73225111. The reversal of 73225105 is 50152237.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50152237 = 157 ⋅319441.
It can be written as a sum of positive squares in 2 ways, for example, as 8856576 + 64368529 = 2976^2 + 8023^2 .
It is not a de Polignac number, because 73225105 - 25 = 73225073 is a prime.
It is a super-2 number, since 2×732251052 = 10723832004522050, which contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 73225105.
It is an unprimeable number.
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, 7322506 + ... + 7322515.
It is an arithmetic number, because the mean of its divisors is an integer number (21967533).
Almost surely, 273225105 is an apocalyptic number.
It is an amenable number.
73225105 is a deficient number, since it is larger than the sum of its proper divisors (14645027).
73225105 is a wasteful number, since it uses less digits than its factorization.
73225105 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14645026.
The product of its (nonzero) digits is 2100, while the sum is 25.
The square root of 73225105 is about 8557.1668792890. The cubic root of 73225105 is about 418.3630633764.
The spelling of 73225105 in words is "seventy-three million, two hundred twenty-five thousand, one hundred five".
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