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85057718 = 2192238361
BaseRepresentation
bin1010001000111…
…10000010110110
312221001101020212
411010132002312
5133233321333
612235025422
72051656454
oct504360266
9187041225
1085057718
1144016139
122459b272
1314811515
14b4219d4
157702448
hex511e0b6

85057718 has 8 divisors (see below), whose sum is σ = 134301720. Its totient is φ = 40290480.

The previous prime is 85057717. The next prime is 85057723. The reversal of 85057718 is 81775058.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85057711) 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, 1119143 + ... + 1119218.

It is an arithmetic number, because the mean of its divisors is an integer number (16787715).

Almost surely, 285057718 is an apocalyptic number.

85057718 is a deficient number, since it is larger than the sum of its proper divisors (49244002).

85057718 is a wasteful number, since it uses less digits than its factorization.

85057718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2238382.

The product of its (nonzero) digits is 78400, while the sum is 41.

The square root of 85057718 is about 9222.6741241356. The cubic root of 85057718 is about 439.7824647827.

The spelling of 85057718 in words is "eighty-five million, fifty-seven thousand, seven hundred eighteen".

Divisors: 1 2 19 38 2238361 4476722 42528859 85057718