Base | Representation |
---|---|
bin | 1000100101010… |
… | …10001100101101 |
3 | 12000110222211211 |
4 | 10102222030231 |
5 | 121413002201 |
6 | 11051114421 |
7 | 1532664262 |
oct | 422521455 |
9 | 160428754 |
10 | 72000301 |
11 | 3770798a |
12 | 20142a11 |
13 | 11bbc139 |
14 | 97c3269 |
15 | 64c3651 |
hex | 44aa32d |
72000301 has 4 divisors (see below), whose sum is σ = 74483100. Its totient is φ = 69517504.
The previous prime is 72000289. The next prime is 72000343. The reversal of 72000301 is 10300027.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10300027 = 577 ⋅17851.
It can be written as a sum of positive squares in 2 ways, for example, as 44689225 + 27311076 = 6685^2 + 5226^2 .
It is a cyclic number.
It is not a de Polignac number, because 72000301 - 211 = 71998253 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (72000371) 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, 1241356 + ... + 1241413.
It is an arithmetic number, because the mean of its divisors is an integer number (18620775).
Almost surely, 272000301 is an apocalyptic number.
It is an amenable number.
72000301 is a deficient number, since it is larger than the sum of its proper divisors (2482799).
72000301 is a wasteful number, since it uses less digits than its factorization.
72000301 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2482798.
The product of its (nonzero) digits is 42, while the sum is 13.
The square root of 72000301 is about 8485.2991108151. The cubic root of 72000301 is about 416.0173443366.
Adding to 72000301 its reverse (10300027), we get a palindrome (82300328).
The spelling of 72000301 in words is "seventy-two million, three hundred one", and thus it is an aban number.
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