Base | Representation |
---|---|
bin | 1000100110001… |
… | …00010001011110 |
3 | 12000200102100102 |
4 | 10103010101132 |
5 | 121424411402 |
6 | 11053301102 |
7 | 1533620534 |
oct | 423042136 |
9 | 160612312 |
10 | 72107102 |
11 | 37780151 |
12 | 20194792 |
13 | 11c28932 |
14 | 9810154 |
15 | 64e5102 |
hex | 44c445e |
72107102 has 8 divisors (see below), whose sum is σ = 108288576. Its totient is φ = 36010912.
The previous prime is 72107089. The next prime is 72107111. The reversal of 72107102 is 20170127.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is an unprimeable number.
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 3 ways as a sum of consecutive naturals, for example, 19163 + ... + 22614.
It is an arithmetic number, because the mean of its divisors is an integer number (13536072).
Almost surely, 272107102 is an apocalyptic number.
72107102 is a deficient number, since it is larger than the sum of its proper divisors (36181474).
72107102 is a wasteful number, since it uses less digits than its factorization.
72107102 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 42642.
The product of its (nonzero) digits is 196, while the sum is 20.
The square root of 72107102 is about 8491.5900748917. The cubic root of 72107102 is about 416.2229412441. Note that the first 3 decimals are identical.
Adding to 72107102 its reverse (20170127), we get a palindrome (92277229).
The spelling of 72107102 in words is "seventy-two million, one hundred seven thousand, one hundred two".
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