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40695271 is a prime number
BaseRepresentation
bin1001101100111…
…1010111100111
32211120112102021
42123033113213
540404222041
64012124011
71002622051
oct233172747
984515367
1040695271
1120a75a61
1211766607
13857b156
1455948d1
15388ccd1
hex26cf5e7

40695271 has 2 divisors, whose sum is σ = 40695272. Its totient is φ = 40695270.

The previous prime is 40695253. The next prime is 40695287. The reversal of 40695271 is 17259604.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40695271 - 213 = 40687079 is a prime.

It is a super-2 number, since 2×406952712 = 3312210163526882, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40695241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20347635 + 20347636.

It is an arithmetic number, because the mean of its divisors is an integer number (20347636).

Almost surely, 240695271 is an apocalyptic number.

40695271 is a deficient number, since it is larger than the sum of its proper divisors (1).

40695271 is an equidigital number, since it uses as much as digits as its factorization.

40695271 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 40695271 is about 6379.2845210102. The cubic root of 40695271 is about 343.9653127770.

The spelling of 40695271 in words is "forty million, six hundred ninety-five thousand, two hundred seventy-one".