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118097237 is a prime number
BaseRepresentation
bin1110000101000…
…00010101010101
322020012221221202
413002200111111
5220213102422
615415122245
72632544546
oct702402525
9266187852
10118097237
1160732225
1233673385
131b60bb2b
14119824cd
15a57bb92
hex70a0555

118097237 has 2 divisors, whose sum is σ = 118097238. Its totient is φ = 118097236.

The previous prime is 118097227. The next prime is 118097311. The reversal of 118097237 is 732790811.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 114041041 + 4056196 = 10679^2 + 2014^2 .

It is an emirp because it is prime and its reverse (732790811) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 118097237 - 28 = 118096981 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 118097237.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (118097207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59048618 + 59048619.

It is an arithmetic number, because the mean of its divisors is an integer number (59048619).

Almost surely, 2118097237 is an apocalyptic number.

It is an amenable number.

118097237 is a deficient number, since it is larger than the sum of its proper divisors (1).

118097237 is an equidigital number, since it uses as much as digits as its factorization.

118097237 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 38.

The square root of 118097237 is about 10867.2552652452. The cubic root of 118097237 is about 490.6215034681.

The spelling of 118097237 in words is "one hundred eighteen million, ninety-seven thousand, two hundred thirty-seven".