Base | Representation |
---|---|
bin | 1000100101111… |
… | …10010110111101 |
3 | 12000122012010012 |
4 | 10102332112331 |
5 | 121423123002 |
6 | 11052553005 |
7 | 1533460106 |
oct | 422762675 |
9 | 160565105 |
10 | 72082877 |
11 | 37763a29 |
12 | 20182765 |
13 | 11c1a8b9 |
14 | 98053ad |
15 | 64dcd52 |
hex | 44be5bd |
72082877 has 2 divisors, whose sum is σ = 72082878. Its totient is φ = 72082876.
The previous prime is 72082853. The next prime is 72082889. The reversal of 72082877 is 77828027.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 66765241 + 5317636 = 8171^2 + 2306^2 .
It is an emirp because it is prime and its reverse (77828027) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 72082877 - 224 = 55305661 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (72082817) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36041438 + 36041439.
It is an arithmetic number, because the mean of its divisors is an integer number (36041439).
Almost surely, 272082877 is an apocalyptic number.
It is an amenable number.
72082877 is a deficient number, since it is larger than the sum of its proper divisors (1).
72082877 is an equidigital number, since it uses as much as digits as its factorization.
72082877 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 87808, while the sum is 41.
The square root of 72082877 is about 8490.1635437723. The cubic root of 72082877 is about 416.1763247998.
The spelling of 72082877 in words is "seventy-two million, eighty-two thousand, eight hundred seventy-seven".
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