Base | Representation |
---|---|
bin | 1000101010100… |
… | …00011001111010 |
3 | 12001202120200221 |
4 | 10111100121322 |
5 | 122101243312 |
6 | 11113450254 |
7 | 1541531125 |
oct | 425203172 |
9 | 161676627 |
10 | 72681082 |
11 | 38032411 |
12 | 2041098a |
13 | 12099c76 |
14 | 991d3bc |
15 | 65aa207 |
hex | 455067a |
72681082 has 16 divisors (see below), whose sum is σ = 111601152. Its totient is φ = 35484400.
The previous prime is 72681053. The next prime is 72681083. The reversal of 72681082 is 28018627.
It is not an unprimeable number, because it can be changed into a prime (72681083) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65343 + ... + 66445.
It is an arithmetic number, because the mean of its divisors is an integer number (6975072).
Almost surely, 272681082 is an apocalyptic number.
72681082 is a deficient number, since it is larger than the sum of its proper divisors (38920070).
72681082 is a wasteful number, since it uses less digits than its factorization.
72681082 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1853.
The product of its (nonzero) digits is 10752, while the sum is 34.
The square root of 72681082 is about 8525.3200526432. The cubic root of 72681082 is about 417.3244163483.
The spelling of 72681082 in words is "seventy-two million, six hundred eighty-one thousand, eighty-two".
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