Base | Representation |
---|---|
bin | 1000100101111… |
… | …11011110101011 |
3 | 12000122102102012 |
4 | 10102333132223 |
5 | 121423244332 |
6 | 11053030135 |
7 | 1533506354 |
oct | 422773653 |
9 | 160572365 |
10 | 72087467 |
11 | 37767421 |
12 | 2018534b |
13 | 11c1ca0a |
14 | 9806d2b |
15 | 64de3b2 |
hex | 44bf7ab |
72087467 has 2 divisors, whose sum is σ = 72087468. Its totient is φ = 72087466.
The previous prime is 72087461. The next prime is 72087469. The reversal of 72087467 is 76478027.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 72087467 - 26 = 72087403 is a prime.
Together with 72087469, it forms a pair of twin primes.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (72087461) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36043733 + 36043734.
It is an arithmetic number, because the mean of its divisors is an integer number (36043734).
Almost surely, 272087467 is an apocalyptic number.
72087467 is a deficient number, since it is larger than the sum of its proper divisors (1).
72087467 is an equidigital number, since it uses as much as digits as its factorization.
72087467 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 131712, while the sum is 41.
The square root of 72087467 is about 8490.4338522834. The cubic root of 72087467 is about 416.1851581911.
The spelling of 72087467 in words is "seventy-two million, eighty-seven thousand, four hundred sixty-seven".
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