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85966676 = 2221491669
BaseRepresentation
bin1010001111110…
…11111101010100
312222202120002222
411013323331110
5134001413201
612310321512
72062463465
oct507737524
9188676088
1085966676
1144587044
1224959298
1314a6c173
14b5bad6c
15783191b
hex51fbf54

85966676 has 6 divisors (see below), whose sum is σ = 150441690. Its totient is φ = 42983336.

The previous prime is 85966667. The next prime is 85966687. The reversal of 85966676 is 67666958.

It can be written as a sum of positive squares in only one way, i.e., 82264900 + 3701776 = 9070^2 + 1924^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10745831 + ... + 10745838.

It is an arithmetic number, because the mean of its divisors is an integer number (25073615).

Almost surely, 285966676 is an apocalyptic number.

It is an amenable number.

85966676 is a deficient number, since it is larger than the sum of its proper divisors (64475014).

85966676 is a wasteful number, since it uses less digits than its factorization.

85966676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21491673 (or 21491671 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 53.

The square root of 85966676 is about 9271.8216117438. The cubic root of 85966676 is about 441.3434763588.

The spelling of 85966676 in words is "eighty-five million, nine hundred sixty-six thousand, six hundred seventy-six".

Divisors: 1 2 4 21491669 42983338 85966676