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85667675 = 5217191032
BaseRepresentation
bin1010001101100…
…10111101011011
312222012100221212
411012302331123
5133412331200
612300053335
72060106662
oct506627533
9188170855
1085667675
11443a2435
122483424b
1314996042
14b53ddd9
1577c3035
hex51b2f5b

85667675 has 36 divisors (see below), whose sum is σ = 119557080. Its totient is φ = 60514560.

The previous prime is 85667671. The next prime is 85667689. The reversal of 85667675 is 57676658.

It is a happy number.

It is not a de Polignac number, because 85667675 - 22 = 85667671 is a prime.

Its product of digits (2116800) is a multiple of the sum of its prime divisors (144).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85667671) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 831674 + ... + 831776.

It is an arithmetic number, because the mean of its divisors is an integer number (3321030).

Almost surely, 285667675 is an apocalyptic number.

85667675 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

85667675 is a deficient number, since it is larger than the sum of its proper divisors (33889405).

85667675 is a wasteful number, since it uses less digits than its factorization.

85667675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252 (or 144 counting only the distinct ones).

The product of its digits is 2116800, while the sum is 50.

The square root of 85667675 is about 9255.6833891399. The cubic root of 85667675 is about 440.8312025496.

The spelling of 85667675 in words is "eighty-five million, six hundred sixty-seven thousand, six hundred seventy-five".

Divisors: 1 5 17 19 25 85 95 103 323 425 475 515 1615 1751 1957 2575 8075 8755 9785 10609 33269 43775 48925 53045 166345 180353 201571 265225 831725 901765 1007855 3426707 4508825 5039275 17133535 85667675