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85117367 = 148757241
BaseRepresentation
bin1010001001011…
…00100110110111
312221011102002002
411010230212313
5133242223432
612240205515
72052325406
oct504544667
9187142062
1085117367
1144056a35
122460989b
131483270a
14b43963d
157714e62
hex512c9b7

85117367 has 4 divisors (see below), whose sum is σ = 85176096. Its totient is φ = 85058640.

The previous prime is 85117303. The next prime is 85117433. The reversal of 85117367 is 76371158.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 76371158 = 238185579.

It is a cyclic number.

It is not a de Polignac number, because 85117367 - 26 = 85117303 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 85117367.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85117667) 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, 27134 + ... + 30107.

It is an arithmetic number, because the mean of its divisors is an integer number (21294024).

Almost surely, 285117367 is an apocalyptic number.

85117367 is a deficient number, since it is larger than the sum of its proper divisors (58729).

85117367 is a wasteful number, since it uses less digits than its factorization.

85117367 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58728.

The product of its digits is 35280, while the sum is 38.

The square root of 85117367 is about 9225.9073808488. The cubic root of 85117367 is about 439.8852438334.

The spelling of 85117367 in words is "eighty-five million, one hundred seventeen thousand, three hundred sixty-seven".

Divisors: 1 1487 57241 85117367