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71727087 = 3233133533
BaseRepresentation
bin1000100011001…
…11011111101111
311222222010001210
410101213133233
5121330231322
611041205503
71530445605
oct421473757
9158863053
1071727087
1137540693
1220030893
1311b24983
149751875
15646c70c
hex44677ef

71727087 has 16 divisors (see below), whose sum is σ = 103016448. Its totient is φ = 44262240.

The previous prime is 71727079. The next prime is 71727107. The reversal of 71727087 is 78072717.

It is not a de Polignac number, because 71727087 - 23 = 71727079 is a prime.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71727017) 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 in 15 ways as a sum of consecutive naturals, for example, 14628 + ... + 18905.

It is an arithmetic number, because the mean of its divisors is an integer number (6438528).

Almost surely, 271727087 is an apocalyptic number.

71727087 is a deficient number, since it is larger than the sum of its proper divisors (31289361).

71727087 is a wasteful number, since it uses less digits than its factorization.

71727087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33590.

The product of its (nonzero) digits is 38416, while the sum is 39.

The square root of 71727087 is about 8469.1845534266. The cubic root of 71727087 is about 415.4904676763.

The spelling of 71727087 in words is "seventy-one million, seven hundred twenty-seven thousand, eighty-seven".

Divisors: 1 3 23 31 69 93 713 2139 33533 100599 771259 1039523 2313777 3118569 23909029 71727087