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164386086 = 2327397681
BaseRepresentation
bin10011100110001…
…01010100100110
3102110022200022120
421303011110212
5314040323321
624151210410
74034154504
oct1163052446
9373280276
10164386086
1184878777
1247076a06
1328097c97
1417b91674
15e671ec6
hex9cc5526

164386086 has 8 divisors (see below), whose sum is σ = 328772184. Its totient is φ = 54795360.

The previous prime is 164386063. The next prime is 164386093. The reversal of 164386086 is 680683461.

It is a happy number.

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

164386086 is an admirable number.

It is a congruent number.

It is an unprimeable number.

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, 13698835 + ... + 13698846.

It is an arithmetic number, because the mean of its divisors is an integer number (41096523).

Almost surely, 2164386086 is an apocalyptic number.

164386086 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

164386086 is a wasteful number, since it uses less digits than its factorization.

164386086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27397686.

The product of its (nonzero) digits is 165888, while the sum is 42.

The square root of 164386086 is about 12821.3137392390. The cubic root of 164386086 is about 547.7995675086.

The spelling of 164386086 in words is "one hundred sixty-four million, three hundred eighty-six thousand, eighty-six".

Divisors: 1 2 3 6 27397681 54795362 82193043 164386086