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164464782 = 2327410797
BaseRepresentation
bin10011100110110…
…00100010001110
3102110110200021020
421303120202032
5314100333112
624153015010
74034633106
oct1163304216
9373420236
10164464782
1184921909
12470b4466
13280c4a51
1417bb2206
15e68a48c
hex9cd888e

164464782 has 8 divisors (see below), whose sum is σ = 328929576. Its totient is φ = 54821592.

The previous prime is 164464763. The next prime is 164464787. The reversal of 164464782 is 287464461.

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

164464782 is an admirable number.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164464787) 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, 13705393 + ... + 13705404.

It is an arithmetic number, because the mean of its divisors is an integer number (41116197).

Almost surely, 2164464782 is an apocalyptic number.

164464782 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.

164464782 is a wasteful number, since it uses less digits than its factorization.

164464782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27410802.

The product of its digits is 258048, while the sum is 42.

The square root of 164464782 is about 12824.3823243071. The cubic root of 164464782 is about 547.8869689800.

The spelling of 164464782 in words is "one hundred sixty-four million, four hundred sixty-four thousand, seven hundred eighty-two".

Divisors: 1 2 3 6 27410797 54821594 82232391 164464782