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8049949 is a prime number
BaseRepresentation
bin11110101101010100011101
3120010222110021
4132231110131
54030044244
6444312141
7125265145
oct36552435
916128407
108049949
1145a9056
122842651
13188b0ab
1410d7925
15a90284
hex7ad51d

8049949 has 2 divisors, whose sum is σ = 8049950. Its totient is φ = 8049948.

The previous prime is 8049947. The next prime is 8049953. The reversal of 8049949 is 9499408.

8049949 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7601049 + 448900 = 2757^2 + 670^2 .

It is a cyclic number.

It is not a de Polignac number, because 8049949 - 21 = 8049947 is a prime.

Together with 8049947, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8049947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4024974 + 4024975.

It is an arithmetic number, because the mean of its divisors is an integer number (4024975).

Almost surely, 28049949 is an apocalyptic number.

It is an amenable number.

8049949 is a deficient number, since it is larger than the sum of its proper divisors (1).

8049949 is an equidigital number, since it uses as much as digits as its factorization.

8049949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 93312, while the sum is 43.

The square root of 8049949 is about 2837.2432042389. The cubic root of 8049949 is about 200.4153783735.

It can be divided in two parts, 8049 and 949, that added together give a palindrome (8998).

The spelling of 8049949 in words is "eight million, forty-nine thousand, nine hundred forty-nine".