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40317971 is a prime number
BaseRepresentation
bin1001100111001…
…1010000010011
32210212100212012
42121303100103
540310133341
64000053135
7666461051
oct231632023
983770765
1040317971
1120838541
12116041ab
1384784b5
1454d71d1
1538160eb
hex2673413

40317971 has 2 divisors, whose sum is σ = 40317972. Its totient is φ = 40317970.

The previous prime is 40317967. The next prime is 40318007. The reversal of 40317971 is 17971304.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40317971 - 22 = 40317967 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (40317941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20158985 + 20158986.

It is an arithmetic number, because the mean of its divisors is an integer number (20158986).

Almost surely, 240317971 is an apocalyptic number.

40317971 is a deficient number, since it is larger than the sum of its proper divisors (1).

40317971 is an equidigital number, since it uses as much as digits as its factorization.

40317971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5292, while the sum is 32.

The square root of 40317971 is about 6349.6433758125. The cubic root of 40317971 is about 342.8990032636.

The spelling of 40317971 in words is "forty million, three hundred seventeen thousand, nine hundred seventy-one".