Search a number
-
+
109230997 is a prime number
BaseRepresentation
bin1101000001010…
…11101110010101
321121112111202111
412200223232111
5210430342442
614501111021
72464306501
oct640535625
9247474674
10109230997
1156726957
12306b8471
1319826335
1410715301
1598c9b17
hex682bb95

109230997 has 2 divisors, whose sum is σ = 109230998. Its totient is φ = 109230996.

The previous prime is 109230983. The next prime is 109231033. The reversal of 109230997 is 799032901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 96550276 + 12680721 = 9826^2 + 3561^2 .

It is an emirp because it is prime and its reverse (799032901) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 109230997 - 223 = 100842389 is a prime.

It is a super-2 number, since 2×1092309972 = 23862821411228018, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109230937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54615498 + 54615499.

It is an arithmetic number, because the mean of its divisors is an integer number (54615499).

Almost surely, 2109230997 is an apocalyptic number.

It is an amenable number.

109230997 is a deficient number, since it is larger than the sum of its proper divisors (1).

109230997 is an equidigital number, since it uses as much as digits as its factorization.

109230997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30618, while the sum is 40.

The square root of 109230997 is about 10451.3634038818. The cubic root of 109230997 is about 478.0228232655.

The spelling of 109230997 in words is "one hundred nine million, two hundred thirty thousand, nine hundred ninety-seven".