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85342211 = 101384247
BaseRepresentation
bin1010001011000…
…11100000000011
312221120211111122
411011203200003
5133321422321
612245102455
72054253053
oct505434003
9187524448
1085342211
114419a959
12246b7a2b
13148b0b66
14b497563
15775b8ab
hex5163803

85342211 has 4 divisors (see below), whose sum is σ = 85427472. Its totient is φ = 85256952.

The previous prime is 85342207. The next prime is 85342223. The reversal of 85342211 is 11224358.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11224358 = 25612179.

It is a cyclic number.

It is not a de Polignac number, because 85342211 - 22 = 85342207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85342291) 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, 41111 + ... + 43136.

It is an arithmetic number, because the mean of its divisors is an integer number (21356868).

Almost surely, 285342211 is an apocalyptic number.

85342211 is a deficient number, since it is larger than the sum of its proper divisors (85261).

85342211 is a wasteful number, since it uses less digits than its factorization.

85342211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85260.

The product of its digits is 1920, while the sum is 26.

The square root of 85342211 is about 9238.0848123407. The cubic root of 85342211 is about 440.2722333906.

Adding to 85342211 its reverse (11224358), we get a palindrome (96566569).

The spelling of 85342211 in words is "eighty-five million, three hundred forty-two thousand, two hundred eleven".

Divisors: 1 1013 84247 85342211