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164064387 = 3233234713
BaseRepresentation
bin10011100011101…
…10110010000011
3102102201100000210
421301312302003
5314000030022
624140245203
74031344554
oct1161666203
9372640023
10164064387
1184679003
1246b40803
1327cb4726
1417b0a32b
15e60ba0c
hex9c76c83

164064387 has 8 divisors (see below), whose sum is σ = 219692304. Its totient is φ = 108906368.

The previous prime is 164064367. The next prime is 164064389. The reversal of 164064387 is 783460461.

164064387 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 164064387 - 210 = 164063363 is a prime.

It is not an unprimeable number, because it can be changed into a prime (164064389) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116658 + ... + 118055.

It is an arithmetic number, because the mean of its divisors is an integer number (27461538).

Almost surely, 2164064387 is an apocalyptic number.

164064387 is a deficient number, since it is larger than the sum of its proper divisors (55627917).

164064387 is a wasteful number, since it uses less digits than its factorization.

164064387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234949.

The product of its (nonzero) digits is 96768, while the sum is 39.

The square root of 164064387 is about 12808.7621181752. The cubic root of 164064387 is about 547.4419913104.

It can be divided in two parts, 164064 and 387, that added together give a triangular number (164451 = T573).

The spelling of 164064387 in words is "one hundred sixty-four million, sixty-four thousand, three hundred eighty-seven".

Divisors: 1 3 233 699 234713 704139 54688129 164064387