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84868211 = 531601287
BaseRepresentation
bin1010000111011…
…11110001110011
312220200202022002
411003233301303
5133211240321
612231004215
72050240121
oct503576163
9186622262
1084868211
11439a681a
122450966b
131477619c
14b3b2911
1576b620b
hex50efc73

84868211 has 4 divisors (see below), whose sum is σ = 86469552. Its totient is φ = 83266872.

The previous prime is 84868207. The next prime is 84868241. The reversal of 84868211 is 11286848.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 84868211 - 22 = 84868207 is a prime.

It is a super-2 number, since 2×848682112 = 14405226476681042, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84868241) 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, 800591 + ... + 800696.

It is an arithmetic number, because the mean of its divisors is an integer number (21617388).

Almost surely, 284868211 is an apocalyptic number.

84868211 is a deficient number, since it is larger than the sum of its proper divisors (1601341).

84868211 is a wasteful number, since it uses less digits than its factorization.

84868211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1601340.

The product of its digits is 24576, while the sum is 38.

The square root of 84868211 is about 9212.3944227329. The cubic root of 84868211 is about 439.4556128954.

The spelling of 84868211 in words is "eighty-four million, eight hundred sixty-eight thousand, two hundred eleven".

Divisors: 1 53 1601287 84868211