Search a number
108603893 is a prime number
BaseRepresentation
bin1100111100100…
…10100111110101
321120100122112102
412132102213311
5210300311033
614435431445
72456055266
oct636224765
9246318472
10108603893
1156338792
1230455585
1319666a78
14105d096d
159803de8
hex67929f5

108603893 has 2 divisors, whose sum is σ = 108603894. Its totient is φ = 108603892.

The previous prime is 108603889. The next prime is 108603919. The reversal of 108603893 is 398306801.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 108534724 + 69169 = 10418^2 + 263^2 .

It is a cyclic number.

It is not a de Polignac number, because 108603893 - 22 = 108603889 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (108600893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54301946 + 54301947.

It is an arithmetic number, because the mean of its divisors is an integer number (54301947).

Almost surely, 2108603893 is an apocalyptic number.

It is an amenable number.

108603893 is a deficient number, since it is larger than the sum of its proper divisors (1).

108603893 is an equidigital number, since it uses as much as digits as its factorization.

108603893 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 108603893 is about 10421.3191583408. The cubic root of 108603893 is about 477.1062777869.

The spelling of 108603893 in words is "one hundred eight million, six hundred three thousand, eight hundred ninety-three".