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40880717 is a prime number
BaseRepresentation
bin1001101111110…
…0101001001101
32211220221210122
42123330221031
540431140332
64020114325
71004323523
oct233745115
984827718
1040880717
1121092319
12118359a5
138614697
145602313
1538c7c12
hex26fca4d

40880717 has 2 divisors, whose sum is σ = 40880718. Its totient is φ = 40880716.

The previous prime is 40880689. The next prime is 40880743. The reversal of 40880717 is 71708804.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39175081 + 1705636 = 6259^2 + 1306^2 .

It is a cyclic number.

It is not a de Polignac number, because 40880717 - 210 = 40879693 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40888717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20440358 + 20440359.

It is an arithmetic number, because the mean of its divisors is an integer number (20440359).

Almost surely, 240880717 is an apocalyptic number.

It is an amenable number.

40880717 is a deficient number, since it is larger than the sum of its proper divisors (1).

40880717 is an equidigital number, since it uses as much as digits as its factorization.

40880717 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12544, while the sum is 35.

The square root of 40880717 is about 6393.8030154205. The cubic root of 40880717 is about 344.4869978374.

The spelling of 40880717 in words is "forty million, eight hundred eighty thousand, seven hundred seventeen".