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86223142 = 21091372887
BaseRepresentation
bin1010010001110…
…10100100100110
320000020120220201
411020322210212
5134033120032
612320021114
72064612265
oct510724446
9200216821
1086223142
11447417a5
1224a6179a
1314b2bb15
14b6465dc
1578828e7
hex523a926

86223142 has 16 divisors (see below), whose sum is σ = 131519520. Its totient is φ = 42389568.

The previous prime is 86223107. The next prime is 86223149. The reversal of 86223142 is 24132268.

It is a self number, because there is not a number n which added to its sum of digits gives 86223142.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86223149) 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, 28423 + ... + 31309.

It is an arithmetic number, because the mean of its divisors is an integer number (8219970).

Almost surely, 286223142 is an apocalyptic number.

86223142 is a deficient number, since it is larger than the sum of its proper divisors (45296378).

86223142 is a wasteful number, since it uses less digits than its factorization.

86223142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3135.

The product of its digits is 4608, while the sum is 28.

The square root of 86223142 is about 9285.6417118043. The cubic root of 86223142 is about 441.7819300606.

The spelling of 86223142 in words is "eighty-six million, two hundred twenty-three thousand, one hundred forty-two".

Divisors: 1 2 109 137 218 274 2887 5774 14933 29866 314683 395519 629366 791038 43111571 86223142