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40271 = 711523
BaseRepresentation
bin1001110101001111
32001020112
421311033
52242041
6510235
7225260
oct116517
961215
1040271
1128290
121b37b
131543a
1410967
15bdeb
hex9d4f

40271 has 8 divisors (see below), whose sum is σ = 50304. Its totient is φ = 31320.

The previous prime is 40253. The next prime is 40277. The reversal of 40271 is 17204.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40271 - 214 = 23887 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 (40277) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 185 + ... + 338.

It is an arithmetic number, because the mean of its divisors is an integer number (6288).

240271 is an apocalyptic number.

40271 is a deficient number, since it is larger than the sum of its proper divisors (10033).

40271 is a wasteful number, since it uses less digits than its factorization.

40271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 541.

The product of its (nonzero) digits is 56, while the sum is 14.

The square root of 40271 is about 200.6763563552. The cubic root of 40271 is about 34.2765790808.

Adding to 40271 its reverse (17204), we get a palindrome (57475).

The spelling of 40271 in words is "forty thousand, two hundred seventy-one", and thus it is an iban number.

Divisors: 1 7 11 77 523 3661 5753 40271