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86152423 = 779831877
BaseRepresentation
bin1010010001010…
…01010011100111
320000002222220111
411020221103213
5134023334143
612314313451
72064166150
oct510512347
9200088814
1086152423
11446a3655
1224a28887
1314b05886
14b628927
15786b99d
hex52294e7

86152423 has 16 divisors (see below), whose sum is σ = 100961280. Its totient is φ = 71993376.

The previous prime is 86152397. The next prime is 86152459. The reversal of 86152423 is 32425168.

It is not a de Polignac number, because 86152423 - 225 = 52597991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86152223) 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 15 ways as a sum of consecutive naturals, for example, 44961 + ... + 46837.

It is an arithmetic number, because the mean of its divisors is an integer number (6310080).

Almost surely, 286152423 is an apocalyptic number.

86152423 is a gapful number since it is divisible by the number (83) formed by its first and last digit.

86152423 is a deficient number, since it is larger than the sum of its proper divisors (14808857).

86152423 is a wasteful number, since it uses less digits than its factorization.

86152423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2046.

The product of its digits is 11520, while the sum is 31.

The square root of 86152423 is about 9281.8329547563. The cubic root of 86152423 is about 441.6611159304.

The spelling of 86152423 in words is "eighty-six million, one hundred fifty-two thousand, four hundred twenty-three".

Divisors: 1 7 79 83 553 581 1877 6557 13139 45899 148283 155791 1037981 1090537 12307489 86152423