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85766676 = 2237147223
BaseRepresentation
bin1010001110010…
…11001000010100
312222101101202120
411013023020110
5133424013201
612302135540
72061001422
oct507131024
9188341676
1085766676
114445a856
12248815b0
13149cc118
14b568112
1577e2536
hex51cb214

85766676 has 12 divisors (see below), whose sum is σ = 200122272. Its totient is φ = 28588888.

The previous prime is 85766663. The next prime is 85766687. The reversal of 85766676 is 67666758.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3573600 + ... + 3573623.

It is an arithmetic number, because the mean of its divisors is an integer number (16676856).

Almost surely, 285766676 is an apocalyptic number.

It is an amenable number.

85766676 is an abundant number, since it is smaller than the sum of its proper divisors (114355596).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85766676 is a wasteful number, since it uses less digits than its factorization.

85766676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7147230 (or 7147228 counting only the distinct ones).

The product of its digits is 2540160, while the sum is 51.

The square root of 85766676 is about 9261.0299643182. The cubic root of 85766676 is about 441.0009512477. Note that the first 3 decimals are identical.

The spelling of 85766676 in words is "eighty-five million, seven hundred sixty-six thousand, six hundred seventy-six".

Divisors: 1 2 3 4 6 12 7147223 14294446 21441669 28588892 42883338 85766676