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40774949 is a prime number
BaseRepresentation
bin1001101110001…
…0110100100101
32211201120201022
42123202310211
540414244244
64013540525
71003403255
oct233426445
984646638
1040774949
112101a906
12117a4745
1385a84b7
1455b5965
1538a66ee
hex26e2d25

40774949 has 2 divisors, whose sum is σ = 40774950. Its totient is φ = 40774948.

The previous prime is 40774933. The next prime is 40774961. The reversal of 40774949 is 94947704.

40774949 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40768225 + 6724 = 6385^2 + 82^2 .

It is a cyclic number.

It is not a de Polignac number, because 40774949 - 24 = 40774933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40774249) 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, 20387474 + 20387475.

It is an arithmetic number, because the mean of its divisors is an integer number (20387475).

Almost surely, 240774949 is an apocalyptic number.

It is an amenable number.

40774949 is a deficient number, since it is larger than the sum of its proper divisors (1).

40774949 is an equidigital number, since it uses as much as digits as its factorization.

40774949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 254016, while the sum is 44.

The square root of 40774949 is about 6385.5265248842. The cubic root of 40774949 is about 344.1896517105.

The spelling of 40774949 in words is "forty million, seven hundred seventy-four thousand, nine hundred forty-nine".