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40475717 = 311130147
BaseRepresentation
bin1001101001100…
…1110001000101
32211011101020122
42122121301011
540330210332
64003311325
71001016002
oct232316105
984141218
1040475717
1120936007
121167b545
138502239
1455388a9
153847c12
hex2699c45

40475717 has 4 divisors (see below), whose sum is σ = 40606176. Its totient is φ = 40345260.

The previous prime is 40475713. The next prime is 40475723. The reversal of 40475717 is 71757404.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40475717 - 22 = 40475713 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40475713) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64763 + ... + 65384.

It is an arithmetic number, because the mean of its divisors is an integer number (10151544).

Almost surely, 240475717 is an apocalyptic number.

It is an amenable number.

40475717 is a deficient number, since it is larger than the sum of its proper divisors (130459).

40475717 is a wasteful number, since it uses less digits than its factorization.

40475717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130458.

The product of its (nonzero) digits is 27440, while the sum is 35.

The square root of 40475717 is about 6362.0528919524. The cubic root of 40475717 is about 343.3456242393.

The spelling of 40475717 in words is "forty million, four hundred seventy-five thousand, seven hundred seventeen".

Divisors: 1 311 130147 40475717