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85757671 = 652113151
BaseRepresentation
bin1010001110010…
…00111011100111
312222100221102001
411013020323213
5133423221141
612302030131
72060633236
oct507107347
9188327361
1085757671
114445400a
1224878347
13149c7cac
14b564b1d
1577dea31
hex51c8ee7

85757671 has 4 divisors (see below), whose sum is σ = 85777344. Its totient is φ = 85738000.

The previous prime is 85757629. The next prime is 85757677. The reversal of 85757671 is 17675758.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 85757671 - 29 = 85757159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85757677) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55 + ... + 13096.

It is an arithmetic number, because the mean of its divisors is an integer number (21444336).

Almost surely, 285757671 is an apocalyptic number.

85757671 is a deficient number, since it is larger than the sum of its proper divisors (19673).

85757671 is a wasteful number, since it uses less digits than its factorization.

85757671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19672.

The product of its digits is 411600, while the sum is 46.

The square root of 85757671 is about 9260.5437745307. The cubic root of 85757671 is about 440.9855165329.

The spelling of 85757671 in words is "eighty-five million, seven hundred fifty-seven thousand, six hundred seventy-one".

Divisors: 1 6521 13151 85757671