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85217614 = 242608807
BaseRepresentation
bin1010001010001…
…01000101001110
312221100111120221
411011011011032
5133303430424
612242301554
72053223566
oct505050516
9187314527
1085217614
1144115289
12246578ba
1314869231
14b463da6
1577349e4
hex514514e

85217614 has 4 divisors (see below), whose sum is σ = 127826424. Its totient is φ = 42608806.

The previous prime is 85217611. The next prime is 85217621. The reversal of 85217614 is 41671258.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 41671258 = 220835629.

It is a self number, because there is not a number n which added to its sum of digits gives 85217614.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85217611) by changing a digit.

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 as a sum of consecutive naturals, namely, 21304402 + ... + 21304405.

It is an arithmetic number, because the mean of its divisors is an integer number (31956606).

Almost surely, 285217614 is an apocalyptic number.

85217614 is a deficient number, since it is larger than the sum of its proper divisors (42608810).

85217614 is a wasteful number, since it uses less digits than its factorization.

85217614 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42608809.

The product of its digits is 13440, while the sum is 34.

The square root of 85217614 is about 9231.3386894859. The cubic root of 85217614 is about 440.0578677334.

The spelling of 85217614 in words is "eighty-five million, two hundred seventeen thousand, six hundred fourteen".

Divisors: 1 2 42608807 85217614