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49402049 is a prime number
BaseRepresentation
bin1011110001110…
…1000011000001
310102221212212112
42330131003001
5100121331144
64522505105
71136624204
oct274350301
9112855775
1049402049
1125982544
1214665195
13a3091a8
1467bd93b
15450c99e
hex2f1d0c1

49402049 has 2 divisors, whose sum is σ = 49402050. Its totient is φ = 49402048.

The previous prime is 49402037. The next prime is 49402103. The reversal of 49402049 is 94020494.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40551424 + 8850625 = 6368^2 + 2975^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-49402049 is a prime.

It is not a weakly prime, because it can be changed into another prime (49402849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24701024 + 24701025.

It is an arithmetic number, because the mean of its divisors is an integer number (24701025).

Almost surely, 249402049 is an apocalyptic number.

It is an amenable number.

49402049 is a deficient number, since it is larger than the sum of its proper divisors (1).

49402049 is an equidigital number, since it uses as much as digits as its factorization.

49402049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 49402049 is about 7028.6591182102. The cubic root of 49402049 is about 366.9286761836.

The spelling of 49402049 in words is "forty-nine million, four hundred two thousand, forty-nine".