Search a number
-
+
108206893 is a prime number
BaseRepresentation
bin1100111001100…
…01101100101101
321112121110221201
412130301230231
5210200110033
614423125501
72452512664
oct634615455
9245543851
10108206893
1156097493
12302a3891
1319558162
1410529ddb
15977647d
hex6731b2d

108206893 has 2 divisors, whose sum is σ = 108206894. Its totient is φ = 108206892.

The previous prime is 108206837. The next prime is 108206897. The reversal of 108206893 is 398602801.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 105637284 + 2569609 = 10278^2 + 1603^2 .

It is an emirp because it is prime and its reverse (398602801) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-108206893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (108206897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54103446 + 54103447.

It is an arithmetic number, because the mean of its divisors is an integer number (54103447).

Almost surely, 2108206893 is an apocalyptic number.

It is an amenable number.

108206893 is a deficient number, since it is larger than the sum of its proper divisors (1).

108206893 is an equidigital number, since it uses as much as digits as its factorization.

108206893 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 108206893 is about 10402.2542268491. The cubic root of 108206893 is about 476.5242162126.

The spelling of 108206893 in words is "one hundred eight million, two hundred six thousand, eight hundred ninety-three".