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85937717 = 377331817
BaseRepresentation
bin1010001111101…
…00111000110101
312222201002101102
411013310320311
5134000001332
612305535445
72062313165
oct507647065
9188632342
1085937717
1144567308
1224944585
1314a5bc28
14b5b05a5
157828062
hex51f4e35

85937717 has 8 divisors (see below), whose sum is σ = 89472216. Its totient is φ = 82467072.

The previous prime is 85937707. The next prime is 85937767. The reversal of 85937717 is 71773958.

It can be written as a sum of positive squares in 4 ways, for example, as 51351556 + 34586161 = 7166^2 + 5881^2 .

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 85937717 - 28 = 85937461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85937707) 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, 13208 + ... + 18609.

It is an arithmetic number, because the mean of its divisors is an integer number (11184027).

Almost surely, 285937717 is an apocalyptic number.

It is an amenable number.

85937717 is a deficient number, since it is larger than the sum of its proper divisors (3534499).

85937717 is a wasteful number, since it uses less digits than its factorization.

85937717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31927.

The product of its digits is 370440, while the sum is 47.

The square root of 85937717 is about 9270.2598129718. The cubic root of 85937717 is about 441.2939133509.

The spelling of 85937717 in words is "eighty-five million, nine hundred thirty-seven thousand, seven hundred seventeen".

Divisors: 1 37 73 2701 31817 1177229 2322641 85937717