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40471 is a prime number
BaseRepresentation
bin1001111000010111
32001111221
421320113
52243341
6511211
7225664
oct117027
961457
1040471
1128452
121b507
1315562
1410a6b
15bed1
hex9e17

40471 has 2 divisors, whose sum is σ = 40472. Its totient is φ = 40470.

The previous prime is 40459. The next prime is 40483. The reversal of 40471 is 17404.

Adding to 40471 its reverse (17404), we get a palindrome (57875).

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (40459) and next prime (40483).

It is a cyclic number.

It is not a de Polignac number, because 40471 - 27 = 40343 is a prime.

It is a super-3 number, since 3×404713 = 198862576221333, which contains 333 as substring.

It is a pancake number, because a pancake can be divided into 40471 parts by 284 straight cuts.

40471 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40771) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20235 + 20236.

It is an arithmetic number, because the mean of its divisors is an integer number (20236).

240471 is an apocalyptic number.

40471 is a deficient number, since it is larger than the sum of its proper divisors (1).

40471 is an equidigital number, since it uses as much as digits as its factorization.

40471 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112, while the sum is 16.

The square root of 40471 is about 201.1740539931. The cubic root of 40471 is about 34.3332286001. Note that the first 3 decimals are identical.

The spelling of 40471 in words is "forty thousand, four hundred seventy-one", and thus it is an iban number.