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10728877 is a prime number
BaseRepresentation
bin101000111011…
…010110101101
3202012002020211
4220323112231
510221311002
61021542421
7160123345
oct50732655
922162224
1010728877
116068845
123714a11
1322b8563
1415d3d25
15e1ddd7
hexa3b5ad

10728877 has 2 divisors, whose sum is σ = 10728878. Its totient is φ = 10728876.

The previous prime is 10728857. The next prime is 10728889. The reversal of 10728877 is 77882701.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10719076 + 9801 = 3274^2 + 99^2 .

It is a cyclic number.

It is not a de Polignac number, because 10728877 - 219 = 10204589 is a prime.

It is a super-2 number, since 2×107288772 = 230217603362258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10728827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5364438 + 5364439.

It is an arithmetic number, because the mean of its divisors is an integer number (5364439).

Almost surely, 210728877 is an apocalyptic number.

It is an amenable number.

10728877 is a deficient number, since it is larger than the sum of its proper divisors (1).

10728877 is an equidigital number, since it uses as much as digits as its factorization.

10728877 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43904, while the sum is 40.

The square root of 10728877 is about 3275.4964509216. The cubic root of 10728877 is about 220.5555998095. Note that the first 4 decimals are identical.

The spelling of 10728877 in words is "ten million, seven hundred twenty-eight thousand, eight hundred seventy-seven".