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85801317 = 374085777
BaseRepresentation
bin1010001110100…
…11100101100101
312222110011021120
411013103211211
5133431120232
612303004153
72061204420
oct507234545
9188404246
1085801317
1144483888
1224899659
1314a11b14
14b5769b7
1577ec92c
hex51d3965

85801317 has 8 divisors (see below), whose sum is σ = 130744896. Its totient is φ = 49029312.

The previous prime is 85801307. The next prime is 85801349. The reversal of 85801317 is 71310858.

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

It is not a de Polignac number, because 85801317 - 210 = 85800293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85801307) 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, 2042868 + ... + 2042909.

It is an arithmetic number, because the mean of its divisors is an integer number (16343112).

Almost surely, 285801317 is an apocalyptic number.

It is an amenable number.

85801317 is a deficient number, since it is larger than the sum of its proper divisors (44943579).

85801317 is a wasteful number, since it uses less digits than its factorization.

85801317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4085787.

The product of its (nonzero) digits is 6720, while the sum is 33.

The square root of 85801317 is about 9262.9000318475. The cubic root of 85801317 is about 441.0603164090.

The spelling of 85801317 in words is "eighty-five million, eight hundred one thousand, three hundred seventeen".

Divisors: 1 3 7 21 4085777 12257331 28600439 85801317