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85686118 = 276120437
BaseRepresentation
bin1010001101101…
…11011101100110
312222020022020221
411012313131212
5133413423433
612300314554
72060214520
oct506673546
9188208227
1085686118
1144405281
1224842a5a
13149a155b
14b546a10
1577c872d
hex51b7766

85686118 has 8 divisors (see below), whose sum is σ = 146890512. Its totient is φ = 36722616.

The previous prime is 85686101. The next prime is 85686119. The reversal of 85686118 is 81168658.

It is a happy number.

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

It is a super-2 number, since 2×856861182 = 14684221635819848, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85686119) 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, 3060205 + ... + 3060232.

It is an arithmetic number, because the mean of its divisors is an integer number (18361314).

Almost surely, 285686118 is an apocalyptic number.

85686118 is a deficient number, since it is larger than the sum of its proper divisors (61204394).

85686118 is a wasteful number, since it uses less digits than its factorization.

85686118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6120446.

The product of its digits is 92160, while the sum is 43.

The square root of 85686118 is about 9256.6796422907. The cubic root of 85686118 is about 440.8628351208.

The spelling of 85686118 in words is "eighty-five million, six hundred eighty-six thousand, one hundred eighteen".

Divisors: 1 2 7 14 6120437 12240874 42843059 85686118