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10808857 is a prime number
BaseRepresentation
bin101001001110…
…111000011001
3202100010222001
4221032320121
510231340412
61023401001
7160605463
oct51167031
922303861
1010808857
116112944
123753161
132315a97
141615133
15e37957
hexa4ee19

10808857 has 2 divisors, whose sum is σ = 10808858. Its totient is φ = 10808856.

The previous prime is 10808771. The next prime is 10808887. The reversal of 10808857 is 75880801.

10808857 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10214416 + 594441 = 3196^2 + 771^2 .

It is an emirp because it is prime and its reverse (75880801) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10808857 - 27 = 10808729 is a prime.

It is not a weakly prime, because it can be changed into another prime (10808887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5404428 + 5404429.

It is an arithmetic number, because the mean of its divisors is an integer number (5404429).

Almost surely, 210808857 is an apocalyptic number.

It is an amenable number.

10808857 is a deficient number, since it is larger than the sum of its proper divisors (1).

10808857 is an equidigital number, since it uses as much as digits as its factorization.

10808857 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17920, while the sum is 37.

The square root of 10808857 is about 3287.6826185020. The cubic root of 10808857 is about 221.1022983468.

The spelling of 10808857 in words is "ten million, eight hundred eight thousand, eight hundred fifty-seven".