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49807369 is a prime number
BaseRepresentation
bin1011111000000…
…0000000001001
310110201110212101
42332000000021
5100222313434
64535313401
71143232663
oct276000011
9113643771
1049807369
112612a017
121481b861
13a41b821
146887533
15458cb14
hex2f80009

49807369 has 2 divisors, whose sum is σ = 49807370. Its totient is φ = 49807368.

The previous prime is 49807327. The next prime is 49807393. The reversal of 49807369 is 96370894.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46403344 + 3404025 = 6812^2 + 1845^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-49807369 is a prime.

It is a super-2 number, since 2×498073692 = 4961548013404322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (49807319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24903684 + 24903685.

It is an arithmetic number, because the mean of its divisors is an integer number (24903685).

Almost surely, 249807369 is an apocalyptic number.

It is an amenable number.

49807369 is a deficient number, since it is larger than the sum of its proper divisors (1).

49807369 is an equidigital number, since it uses as much as digits as its factorization.

49807369 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 326592, while the sum is 46.

The square root of 49807369 is about 7057.4335986958. The cubic root of 49807369 is about 367.9294352136.

It can be divided in two parts, 49807 and 369, that added together give a square (50176 = 2242).

The spelling of 49807369 in words is "forty-nine million, eight hundred seven thousand, three hundred sixty-nine".