Base | Representation |
---|---|
bin | 1000101010110… |
… | …11101000000001 |
3 | 12001211220202010 |
4 | 10111123220001 |
5 | 122104231131 |
6 | 11114443133 |
7 | 1542112122 |
oct | 425335001 |
9 | 161756663 |
10 | 72727041 |
11 | 380639a2 |
12 | 204334a9 |
13 | 120b4b6a |
14 | 9932049 |
15 | 65b8b46 |
hex | 455ba01 |
72727041 has 16 divisors (see below), whose sum is σ = 105595200. Its totient is φ = 44347968.
The previous prime is 72727033. The next prime is 72727043. The reversal of 72727041 is 14072727.
It is not a de Polignac number, because 72727041 - 23 = 72727033 is a prime.
It is not an unprimeable number, because it can be changed into a prime (72727043) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20346 + ... + 23651.
It is an arithmetic number, because the mean of its divisors is an integer number (6599700).
Almost surely, 272727041 is an apocalyptic number.
It is an amenable number.
72727041 is a deficient number, since it is larger than the sum of its proper divisors (32868159).
72727041 is a wasteful number, since it uses less digits than its factorization.
72727041 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 44048.
The product of its (nonzero) digits is 5488, while the sum is 30.
The square root of 72727041 is about 8528.0150679979. The cubic root of 72727041 is about 417.4123611570.
Adding to 72727041 its reverse (14072727), we get a palindrome (86799768).
The spelling of 72727041 in words is "seventy-two million, seven hundred twenty-seven thousand, forty-one".
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