Base | Representation |
---|---|
bin | 1000100111100… |
… | …00001011111111 |
3 | 12001000120002101 |
4 | 10103300023333 |
5 | 122001140400 |
6 | 11101205531 |
7 | 1535300125 |
oct | 423601377 |
9 | 161016071 |
10 | 72286975 |
11 | 37893302 |
12 | 202608a7 |
13 | 11c8c777 |
14 | 9859915 |
15 | 652d56a |
hex | 44f02ff |
72286975 has 24 divisors (see below), whose sum is σ = 96154560. Its totient is φ = 53713920.
The previous prime is 72286967. The next prime is 72286997. The reversal of 72286975 is 57968227.
It is not a de Polignac number, because 72286975 - 23 = 72286967 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32499 + ... + 34651.
It is an arithmetic number, because the mean of its divisors is an integer number (4006440).
Almost surely, 272286975 is an apocalyptic number.
72286975 is a deficient number, since it is larger than the sum of its proper divisors (23867585).
72286975 is a wasteful number, since it uses less digits than its factorization.
72286975 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2259 (or 2254 counting only the distinct ones).
The product of its digits is 423360, while the sum is 46.
The square root of 72286975 is about 8502.1747217991. The cubic root of 72286975 is about 416.5687467676.
The spelling of 72286975 in words is "seventy-two million, two hundred eighty-six thousand, nine hundred seventy-five".
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