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65087471 is a prime number
BaseRepresentation
bin1111100001001…
…0011111101111
311112110210020002
43320102133233
5113130244341
610243014515
71420143251
oct370223757
9145423202
1065087471
11338161a9
121996a43b
131063b7c7
148903cd1
155aaa29b
hex3e127ef

65087471 has 2 divisors, whose sum is σ = 65087472. Its totient is φ = 65087470.

The previous prime is 65087461. The next prime is 65087479. The reversal of 65087471 is 17478056.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 65087471 - 210 = 65086447 is a prime.

It is a super-3 number, since 3×650874713 (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65087479) 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, 32543735 + 32543736.

It is an arithmetic number, because the mean of its divisors is an integer number (32543736).

Almost surely, 265087471 is an apocalyptic number.

65087471 is a deficient number, since it is larger than the sum of its proper divisors (1).

65087471 is an equidigital number, since it uses as much as digits as its factorization.

65087471 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 47040, while the sum is 38.

The square root of 65087471 is about 8067.6806456379. The cubic root of 65087471 is about 402.2528524026.

The spelling of 65087471 in words is "sixty-five million, eighty-seven thousand, four hundred seventy-one".