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112149949 is a prime number
BaseRepresentation
bin1101010111101…
…00010110111101
321211000210210211
412223310112331
5212202244244
615043432421
72531154532
oct653642675
9254023724
10112149949
115833aa0a
1231685711
131a308b22
1410c74d89
159ca4934
hex6af45bd

112149949 has 2 divisors, whose sum is σ = 112149950. Its totient is φ = 112149948.

The previous prime is 112149941. The next prime is 112150007. The reversal of 112149949 is 949941211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 112148100 + 1849 = 10590^2 + 43^2 .

It is an emirp because it is prime and its reverse (949941211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 112149949 - 23 = 112149941 is a prime.

It is a super-5 number, since 5×1121499495 (a number of 41 digits) contains 55555 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112149941) 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, 56074974 + 56074975.

It is an arithmetic number, because the mean of its divisors is an integer number (56074975).

Almost surely, 2112149949 is an apocalyptic number.

It is an amenable number.

112149949 is a deficient number, since it is larger than the sum of its proper divisors (1).

112149949 is an equidigital number, since it uses as much as digits as its factorization.

112149949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23328, while the sum is 40.

The square root of 112149949 is about 10590.0872989792. The cubic root of 112149949 is about 482.2434750127.

The spelling of 112149949 in words is "one hundred twelve million, one hundred forty-nine thousand, nine hundred forty-nine".