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86042223 = 333186749
BaseRepresentation
bin1010010000011…
…10011001101111
312222220101202000
411020032121233
5134011322343
612312103343
72063226651
oct510163157
9188811660
1086042223
1144628883
1224994b53
1314a97677
14b5da6d1
157848ed3
hex520e66f

86042223 has 8 divisors (see below), whose sum is σ = 127470000. Its totient is φ = 57361464.

The previous prime is 86042221. The next prime is 86042239. The reversal of 86042223 is 32224068.

It is not a de Polignac number, because 86042223 - 21 = 86042221 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 3186749 = 86042223 / (8 + 6 + 0 + 4 + 2 + 2 + 2 + 3).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86042221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1593348 + ... + 1593401.

It is an arithmetic number, because the mean of its divisors is an integer number (15933750).

Almost surely, 286042223 is an apocalyptic number.

86042223 is a deficient number, since it is larger than the sum of its proper divisors (41427777).

86042223 is a wasteful number, since it uses less digits than its factorization.

86042223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3186758 (or 3186752 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 86042223 is about 9275.8947277338. The cubic root of 86042223 is about 441.4727218407.

The spelling of 86042223 in words is "eighty-six million, forty-two thousand, two hundred twenty-three".

Divisors: 1 3 9 27 3186749 9560247 28680741 86042223