Search a number
-
+
328588129 = 181272
BaseRepresentation
bin10011100101011…
…101101101100001
3211220022000011201
4103211131231201
51133104310004
652334441201
711066644612
oct2345355541
9756260151
10328588129
11159530141
1292063201
13530ca25c
14318d5c09
151dca96a4
hex1395db61

328588129 has 3 divisors (see below), whose sum is σ = 328606257. Its totient is φ = 328570002.

The previous prime is 328588081. The next prime is 328588159. The reversal of 328588129 is 921885823.

The square root of 328588129 is 18127.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 921885823 = 3989231107.

It is not a de Polignac number, because 328588129 - 223 = 320199521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (328588159) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 9064 + ... + 27190.

It is an arithmetic number, because the mean of its divisors is an integer number (109535419).

Almost surely, 2328588129 is an apocalyptic number.

328588129 is the 18127-th square number.

328588129 is the 9064-th centered octagonal number.

It is an amenable number.

328588129 is a deficient number, since it is larger than the sum of its proper divisors (18128).

328588129 is an frugal number, since it uses more digits than its factorization.

328588129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36254 (or 18127 counting only the distinct ones).

The product of its digits is 276480, while the sum is 46.

The cubic root of 328588129 is about 690.0553963786.

The spelling of 328588129 in words is "three hundred twenty-eight million, five hundred eighty-eight thousand, one hundred twenty-nine".

Divisors: 1 18127 328588129