Search a number
-
+
164871371 = 737636569
BaseRepresentation
bin10011101001110…
…11110011001011
3102111020100000002
421310323303023
5314201340441
624205433215
74041245360
oct1164736313
9374210002
10164871371
118507a335
124726b80b
1328207b32
1417c7a467
15e71ab9b
hex9d3bccb

164871371 has 8 divisors (see below), whose sum is σ = 193517280. Its totient is φ = 137498688.

The previous prime is 164871367. The next prime is 164871401. The reversal of 164871371 is 173178461.

It is a happy number.

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 164871371 - 22 = 164871367 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164871571) 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 7 ways as a sum of consecutive naturals, for example, 318026 + ... + 318543.

It is an arithmetic number, because the mean of its divisors is an integer number (24189660).

Almost surely, 2164871371 is an apocalyptic number.

164871371 is a deficient number, since it is larger than the sum of its proper divisors (28645909).

164871371 is an equidigital number, since it uses as much as digits as its factorization.

164871371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636613.

The product of its digits is 28224, while the sum is 38.

The square root of 164871371 is about 12840.2247254478. The cubic root of 164871371 is about 548.3380918914.

The spelling of 164871371 in words is "one hundred sixty-four million, eight hundred seventy-one thousand, three hundred seventy-one".

Divisors: 1 7 37 259 636569 4455983 23553053 164871371