Base | Representation |
---|---|
bin | 1000100111111… |
… | …00101100011001 |
3 | 12001010011100122 |
4 | 10103330230121 |
5 | 122004310301 |
6 | 11102243025 |
7 | 1535602355 |
oct | 423745431 |
9 | 161104318 |
10 | 72338201 |
11 | 37918841 |
12 | 20286475 |
13 | 11ca9b90 |
14 | 9870465 |
15 | 653d81b |
hex | 44fcb19 |
72338201 has 4 divisors (see below), whose sum is σ = 77902692. Its totient is φ = 66773712.
The previous prime is 72338191. The next prime is 72338207. The reversal of 72338201 is 10283327.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 5180176 + 67158025 = 2276^2 + 8195^2 .
It is a cyclic number.
It is not a de Polignac number, because 72338201 - 214 = 72321817 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (72338207) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2782226 + ... + 2782251.
It is an arithmetic number, because the mean of its divisors is an integer number (19475673).
Almost surely, 272338201 is an apocalyptic number.
It is an amenable number.
72338201 is a deficient number, since it is larger than the sum of its proper divisors (5564491).
72338201 is a wasteful number, since it uses less digits than its factorization.
72338201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5564490.
The product of its (nonzero) digits is 2016, while the sum is 26.
The square root of 72338201 is about 8505.1867116484. The cubic root of 72338201 is about 416.6671236973.
The spelling of 72338201 in words is "seventy-two million, three hundred thirty-eight thousand, two hundred one".
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