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84568223 = 478317681
BaseRepresentation
bin1010000101001…
…10100010011111
312220010111210102
411002212202133
5133122140343
612220331315
72044550405
oct502464237
9186114712
1084568223
11438113a3
12243a3b3b
131469c78c
14b335475
1576573b8
hex50a689f

84568223 has 4 divisors (see below), whose sum is σ = 84590688. Its totient is φ = 84545760.

The previous prime is 84568213. The next prime is 84568243. The reversal of 84568223 is 32286548.

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 84568223 - 222 = 80373919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84568213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4058 + ... + 13623.

It is an arithmetic number, because the mean of its divisors is an integer number (21147672).

Almost surely, 284568223 is an apocalyptic number.

84568223 is a deficient number, since it is larger than the sum of its proper divisors (22465).

84568223 is a wasteful number, since it uses less digits than its factorization.

84568223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22464.

The product of its digits is 92160, while the sum is 38.

The square root of 84568223 is about 9196.0982487140. The cubic root of 84568223 is about 438.9372128765.

The spelling of 84568223 in words is "eighty-four million, five hundred sixty-eight thousand, two hundred twenty-three".

Divisors: 1 4783 17681 84568223