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86245418 = 2719731271
BaseRepresentation
bin1010010010000…
…00000000101010
320000021201110202
411021000000222
5134034323133
612320312202
72065034240
oct511000052
9200251422
1086245418
1144757506
1224a72662
1314b38cbc
14b650790
1578892e8
hex524002a

86245418 has 16 divisors (see below), whose sum is σ = 148604544. Its totient is φ = 36773520.

The previous prime is 86245417. The next prime is 86245447. The reversal of 86245418 is 81454268.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (86245417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12878 + ... + 18393.

It is an arithmetic number, because the mean of its divisors is an integer number (9287784).

Almost surely, 286245418 is an apocalyptic number.

86245418 is a deficient number, since it is larger than the sum of its proper divisors (62359126).

86245418 is a wasteful number, since it uses less digits than its factorization.

86245418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31477.

The product of its digits is 61440, while the sum is 38.

The square root of 86245418 is about 9286.8411206395. The cubic root of 86245418 is about 441.8199720011.

It can be divided in two parts, 8 and 6245418, that added together give a palindrome (6245426).

The spelling of 86245418 in words is "eighty-six million, two hundred forty-five thousand, four hundred eighteen".

Divisors: 1 2 7 14 197 394 1379 2758 31271 62542 218897 437794 6160387 12320774 43122709 86245418