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85669606 = 21135910847
BaseRepresentation
bin1010001101100…
…11011011100110
312222012110121101
411012303123212
5133412411411
612300110314
72060115421
oct506633346
9188173541
1085669606
11443a3930
122483539a
1314996b99
14b5409b8
1577c38c1
hex51b36e6

85669606 has 16 divisors (see below), whose sum is σ = 140590080. Its totient is φ = 38828680.

The previous prime is 85669603. The next prime is 85669627. The reversal of 85669606 is 60696658.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85669601) 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, 2475 + ... + 13321.

It is an arithmetic number, because the mean of its divisors is an integer number (8786880).

Almost surely, 285669606 is an apocalyptic number.

85669606 is a deficient number, since it is larger than the sum of its proper divisors (54920474).

85669606 is a wasteful number, since it uses less digits than its factorization.

85669606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11219.

The product of its (nonzero) digits is 466560, while the sum is 46.

The square root of 85669606 is about 9255.7877028376. The cubic root of 85669606 is about 440.8345147233.

The spelling of 85669606 in words is "eighty-five million, six hundred sixty-nine thousand, six hundred six".

Divisors: 1 2 11 22 359 718 3949 7898 10847 21694 119317 238634 3894073 7788146 42834803 85669606