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40792649 is a prime number
BaseRepresentation
bin1001101110011…
…1001001001001
32211202110222212
42123213021021
540420331044
64014154505
71003506002
oct233471111
984673885
1040792649
1121032137
12117b2a35
1385b3581
1455bc1a9
1538aba9e
hex26e7249

40792649 has 2 divisors, whose sum is σ = 40792650. Its totient is φ = 40792648.

The previous prime is 40792643. The next prime is 40792667. The reversal of 40792649 is 94629704.

40792649 is digitally balanced in base 2, 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., 35617024 + 5175625 = 5968^2 + 2275^2 .

It is a cyclic number.

It is not a de Polignac number, because 40792649 - 28 = 40792393 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (40792643) 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, 20396324 + 20396325.

It is an arithmetic number, because the mean of its divisors is an integer number (20396325).

Almost surely, 240792649 is an apocalyptic number.

It is an amenable number.

40792649 is a deficient number, since it is larger than the sum of its proper divisors (1).

40792649 is an equidigital number, since it uses as much as digits as its factorization.

40792649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 40792649 is about 6386.9123213021. The cubic root of 40792649 is about 344.2394476079.

The spelling of 40792649 in words is "forty million, seven hundred ninety-two thousand, six hundred forty-nine".