Search a number
-
+
164131502 = 285219631
BaseRepresentation
bin10011100100001…
…11001010101110
3102102211202002112
421302013022232
5314004202002
624141524022
74032044333
oct1162071256
9372752075
10164131502
1184714477
1246b73612
1328009142
1417b2698a
15e621852
hex9c872ae

164131502 has 8 divisors (see below), whose sum is σ = 246251712. Its totient is φ = 82047600.

The previous prime is 164131493. The next prime is 164131507. The reversal of 164131502 is 205131461.

164131502 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 congruent number.

It is not an unprimeable number, because it can be changed into a prime (164131507) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12227 + ... + 21857.

It is an arithmetic number, because the mean of its divisors is an integer number (30781464).

Almost surely, 2164131502 is an apocalyptic number.

164131502 is a deficient number, since it is larger than the sum of its proper divisors (82120210).

164131502 is an equidigital number, since it uses as much as digits as its factorization.

164131502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18154.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 164131502 is about 12811.3817365653. The cubic root of 164131502 is about 547.5166298126.

Adding to 164131502 its reverse (205131461), we get a palindrome (369262963).

The spelling of 164131502 in words is "one hundred sixty-four million, one hundred thirty-one thousand, five hundred two".

Divisors: 1 2 8521 9631 17042 19262 82065751 164131502