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164710271 = 1114973661
BaseRepresentation
bin10011101000101…
…00011101111111
3102110221011000102
421310110131333
5314131212041
624202151315
74040004605
oct1164243577
9373834012
10164710271
1184a7a2a0
12471b253b
132817c6cb
1417c37875
15e6d809b
hex9d1477f

164710271 has 4 divisors (see below), whose sum is σ = 179683944. Its totient is φ = 149736600.

The previous prime is 164710267. The next prime is 164710279. The reversal of 164710271 is 172017461.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 164710271 - 22 = 164710267 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164710279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7486820 + ... + 7486841.

It is an arithmetic number, because the mean of its divisors is an integer number (44920986).

Almost surely, 2164710271 is an apocalyptic number.

164710271 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

164710271 is a deficient number, since it is larger than the sum of its proper divisors (14973673).

164710271 is a wasteful number, since it uses less digits than its factorization.

164710271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14973672.

The product of its (nonzero) digits is 2352, while the sum is 29.

The square root of 164710271 is about 12833.9499375679. The cubic root of 164710271 is about 548.1594353345.

The spelling of 164710271 in words is "one hundred sixty-four million, seven hundred ten thousand, two hundred seventy-one".

Divisors: 1 11 14973661 164710271