Base | Representation |
---|---|
bin | 1000101100100… |
… | …01101111001010 |
3 | 12002021011210001 |
4 | 10112101233022 |
5 | 122133324212 |
6 | 11123313214 |
7 | 1544024242 |
oct | 426215712 |
9 | 162234701 |
10 | 72948682 |
11 | 381a5474 |
12 | 2051b80a |
13 | 12161a01 |
14 | 998cb22 |
15 | 660e657 |
hex | 4591bca |
72948682 has 16 divisors (see below), whose sum is σ = 112606920. Its totient is φ = 35417088.
The previous prime is 72948671. The next prime is 72948703. The reversal of 72948682 is 28684927.
It is a Cunningham number, because it is equal to 85412+1.
It can be written as a sum of positive squares in 4 ways, for example, as 72948681 + 1 = 8541^2 + 1^2 .
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71794 + ... + 72802.
Almost surely, 272948682 is an apocalyptic number.
72948682 is a deficient number, since it is larger than the sum of its proper divisors (39658238).
72948682 is a wasteful number, since it uses less digits than its factorization.
72948682 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2025.
The product of its digits is 387072, while the sum is 46.
The square root of 72948682 is about 8541.0000585412. Note that the first 4 decimals coincide. The cubic root of 72948682 is about 417.8359627403.
The spelling of 72948682 in words is "seventy-two million, nine hundred forty-eight thousand, six hundred eighty-two".
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