Search a number
-
+
107897161 is a prime number
BaseRepresentation
bin1100110111001…
…10000101001001
321112000202002011
412123212011021
5210110202121
614412335521
72450052661
oct633460511
9245022064
10107897161
11559a5809
12301745a1
131947a198
14104891a1
1597147e1
hex66e6149

107897161 has 2 divisors, whose sum is σ = 107897162. Its totient is φ = 107897160.

The previous prime is 107897129. The next prime is 107897213. The reversal of 107897161 is 161798701.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 106502400 + 1394761 = 10320^2 + 1181^2 .

It is a cyclic number.

It is not a de Polignac number, because 107897161 - 25 = 107897129 is a prime.

It is not a weakly prime, because it can be changed into another prime (107894161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53948580 + 53948581.

It is an arithmetic number, because the mean of its divisors is an integer number (53948581).

Almost surely, 2107897161 is an apocalyptic number.

It is an amenable number.

107897161 is a deficient number, since it is larger than the sum of its proper divisors (1).

107897161 is an equidigital number, since it uses as much as digits as its factorization.

107897161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21168, while the sum is 40.

The square root of 107897161 is about 10387.3558233075. The cubic root of 107897161 is about 476.0691132021.

The spelling of 107897161 in words is "one hundred seven million, eight hundred ninety-seven thousand, one hundred sixty-one".