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71896085 = 515439319
BaseRepresentation
bin1000100100100…
…00110000010101
312000021200212222
410102100300111
5121401133320
611044552125
71532051402
oct422206025
9160250788
1071896085
1137646658
12200b2645
1311b83881
1497972a9
1564a2825
hex4490c15

71896085 has 8 divisors (see below), whose sum is σ = 86340480. Its totient is φ = 57473424.

The previous prime is 71896081. The next prime is 71896087. The reversal of 71896085 is 58069817.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 71896085 - 22 = 71896081 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71896081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3056 + ... + 12374.

It is an arithmetic number, because the mean of its divisors is an integer number (10792560).

Almost surely, 271896085 is an apocalyptic number.

It is an amenable number.

71896085 is a deficient number, since it is larger than the sum of its proper divisors (14444395).

71896085 is a wasteful number, since it uses less digits than its factorization.

71896085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10867.

The product of its (nonzero) digits is 120960, while the sum is 44.

The square root of 71896085 is about 8479.1559131791. The cubic root of 71896085 is about 415.8165275900.

The spelling of 71896085 in words is "seventy-one million, eight hundred ninety-six thousand, eighty-five".

Divisors: 1 5 1543 7715 9319 46595 14379217 71896085