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86682730 = 258668273
BaseRepresentation
bin1010010101010…
…10110001101010
320001002221100111
411022222301222
5134142321410
612333524534
72101535221
oct512526152
9201087314
1086682730
1144a26022
122504374a
1314c60074
14b725cb8
157923b8a
hex52aac6a

86682730 has 8 divisors (see below), whose sum is σ = 156028932. Its totient is φ = 34673088.

The previous prime is 86682721. The next prime is 86682737. The reversal of 86682730 is 3728668.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 85211361 + 1471369 = 9231^2 + 1213^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (86682737) 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, 4334127 + ... + 4334146.

Almost surely, 286682730 is an apocalyptic number.

86682730 is a deficient number, since it is larger than the sum of its proper divisors (69346202).

86682730 is a wasteful number, since it uses less digits than its factorization.

86682730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8668280.

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 86682730 is about 9310.3560619345. The cubic root of 86682730 is about 442.5654706451.

The spelling of 86682730 in words is "eighty-six million, six hundred eighty-two thousand, seven hundred thirty".

Divisors: 1 2 5 10 8668273 17336546 43341365 86682730