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116986949 is a prime number
BaseRepresentation
bin1101111100100…
…01010001000101
322011010112220222
412332101101011
5214422040244
615335234125
72620241552
oct676212105
9264115828
10116986949
1160044032
1233218945
131b310661
1411773a29
15a40cbee
hex6f91445

116986949 has 2 divisors, whose sum is σ = 116986950. Its totient is φ = 116986948.

The previous prime is 116986937. The next prime is 116986951. The reversal of 116986949 is 949689611.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 108472225 + 8514724 = 10415^2 + 2918^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-116986949 is a prime.

It is a Sophie Germain prime.

Together with 116986951, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 116986949.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (116986999) 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, 58493474 + 58493475.

It is an arithmetic number, because the mean of its divisors is an integer number (58493475).

Almost surely, 2116986949 is an apocalyptic number.

It is an amenable number.

116986949 is a deficient number, since it is larger than the sum of its proper divisors (1).

116986949 is an equidigital number, since it uses as much as digits as its factorization.

116986949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 839808, while the sum is 53.

The square root of 116986949 is about 10816.0505268790. The cubic root of 116986949 is about 489.0791381935.

The spelling of 116986949 in words is "one hundred sixteen million, nine hundred eighty-six thousand, nine hundred forty-nine".