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40425539 = 7211179419
BaseRepresentation
bin1001101000110…
…1100001000011
32211001211102012
42122031201003
540322104124
64002243135
71000416500
oct232154103
984054365
1040425539
1120901340
12116564ab
1384b544b
1455244a7
153837e0e
hex268d843

40425539 has 24 divisors (see below), whose sum is σ = 51710400. Its totient is φ = 31249680.

The previous prime is 40425533. The next prime is 40425557. The reversal of 40425539 is 93552404.

It is a happy number.

It is not a de Polignac number, because 40425539 - 212 = 40421443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40425533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 96272 + ... + 96690.

It is an arithmetic number, because the mean of its divisors is an integer number (2154600).

Almost surely, 240425539 is an apocalyptic number.

40425539 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

40425539 is a deficient number, since it is larger than the sum of its proper divisors (11284861).

40425539 is a wasteful number, since it uses less digits than its factorization.

40425539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 623 (or 616 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 40425539 is about 6358.1081305684. The cubic root of 40425539 is about 343.2036829940.

The spelling of 40425539 in words is "forty million, four hundred twenty-five thousand, five hundred thirty-nine".

Divisors: 1 7 11 49 77 179 419 539 1253 1969 2933 4609 8771 13783 20531 32263 75001 96481 225841 525007 825011 3675049 5775077 40425539