Base | Representation |
---|---|
bin | 1000101010110… |
… | …00001010101100 |
3 | 12001211012022111 |
4 | 10111120022230 |
5 | 122103303001 |
6 | 11114253404 |
7 | 1542022615 |
oct | 425301254 |
9 | 161735274 |
10 | 72712876 |
11 | 38054295 |
12 | 20427264 |
13 | 120ab592 |
14 | 992ac0c |
15 | 65b4851 |
hex | 45582ac |
72712876 has 12 divisors (see below), whose sum is σ = 134732808. Its totient is φ = 34217792.
The previous prime is 72712847. The next prime is 72712877. The reversal of 72712876 is 67821727.
It is a super-3 number, since 3×727128763 (a number of 25 digits) contains 333 as substring.
It is not an unprimeable number, because it can be changed into a prime (72712877) 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 3 ways as a sum of consecutive naturals, for example, 534586 + ... + 534721.
It is an arithmetic number, because the mean of its divisors is an integer number (11227734).
Almost surely, 272712876 is an apocalyptic number.
It is an amenable number.
72712876 is a deficient number, since it is larger than the sum of its proper divisors (62019932).
72712876 is a wasteful number, since it uses less digits than its factorization.
72712876 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1069328 (or 1069326 counting only the distinct ones).
The product of its digits is 65856, while the sum is 40.
The square root of 72712876 is about 8527.1845294915. The cubic root of 72712876 is about 417.3852596831.
The spelling of 72712876 in words is "seventy-two million, seven hundred twelve thousand, eight hundred seventy-six".
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