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40859471 is a prime number
BaseRepresentation
bin1001101111011…
…1011101001111
32211212212122202
42123313131033
540430000341
64015432115
71004204552
oct233673517
984785582
1040859471
1121078364
121182563b
138607b03
1455d8699
1538c179b
hex26f774f

40859471 has 2 divisors, whose sum is σ = 40859472. Its totient is φ = 40859470.

The previous prime is 40859461. The next prime is 40859473. The reversal of 40859471 is 17495804.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40859471 - 218 = 40597327 is a prime.

It is a super-3 number, since 3×408594713 (a number of 24 digits) contains 333 as substring.

Together with 40859473, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40859473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20429735 + 20429736.

It is an arithmetic number, because the mean of its divisors is an integer number (20429736).

Almost surely, 240859471 is an apocalyptic number.

40859471 is a deficient number, since it is larger than the sum of its proper divisors (1).

40859471 is an equidigital number, since it uses as much as digits as its factorization.

40859471 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 40859471 is about 6392.1413469979. The cubic root of 40859471 is about 344.4273100468.

The spelling of 40859471 in words is "forty million, eight hundred fifty-nine thousand, four hundred seventy-one".