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40752479 is a prime number
BaseRepresentation
bin1001101101110…
…1010101011111
32211200102220002
42123131111133
540413034404
64013244515
71003250615
oct233352537
984612802
1040752479
1121004a39
121179373b
13859b1c1
1455ab6b5
15389ec1e
hex26dd55f

40752479 has 2 divisors, whose sum is σ = 40752480. Its totient is φ = 40752478.

The previous prime is 40752463. The next prime is 40752487. The reversal of 40752479 is 97425704.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40752479 - 24 = 40752463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40752409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20376239 + 20376240.

It is an arithmetic number, because the mean of its divisors is an integer number (20376240).

Almost surely, 240752479 is an apocalyptic number.

40752479 is a deficient number, since it is larger than the sum of its proper divisors (1).

40752479 is an equidigital number, since it uses as much as digits as its factorization.

40752479 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 70560, while the sum is 38.

The square root of 40752479 is about 6383.7668347144. The cubic root of 40752479 is about 344.1264154772.

The spelling of 40752479 in words is "forty million, seven hundred fifty-two thousand, four hundred seventy-nine".