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118397941 is a prime number
BaseRepresentation
bin1110000111010…
…01101111110101
322020210020102221
413003221233311
5220302213231
615425402341
72635236334
oct703515765
9266706387
10118397941
1160918142
12337993b1
131b6b596c
1411a1dd1b
15a5dad11
hex70e9bf5

118397941 has 2 divisors, whose sum is σ = 118397942. Its totient is φ = 118397940.

The previous prime is 118397921. The next prime is 118397969. The reversal of 118397941 is 149793811.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 81540900 + 36857041 = 9030^2 + 6071^2 .

It is a cyclic number.

It is not a de Polignac number, because 118397941 - 29 = 118397429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (118397921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59198970 + 59198971.

It is an arithmetic number, because the mean of its divisors is an integer number (59198971).

Almost surely, 2118397941 is an apocalyptic number.

It is an amenable number.

118397941 is a deficient number, since it is larger than the sum of its proper divisors (1).

118397941 is an equidigital number, since it uses as much as digits as its factorization.

118397941 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54432, while the sum is 43.

The square root of 118397941 is about 10881.0817936453. The cubic root of 118397941 is about 491.0375640296.

The spelling of 118397941 in words is "one hundred eighteen million, three hundred ninety-seven thousand, nine hundred forty-one".