Search a number
-
+
328537131 = 3138424029
BaseRepresentation
bin10011100101010…
…001010000101011
3211220012102012220
4103211101100223
51133101142011
652333405123
711066343126
oct2345212053
9756172186
10328537131
111594a589a
12920397a3
13530acc90
14318c13bd
151dc99506
hex1395142b

328537131 has 8 divisors (see below), whose sum is σ = 471745680. Its totient is φ = 202176672.

The previous prime is 328537123. The next prime is 328537159. The reversal of 328537131 is 131735823.

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

It is not a de Polignac number, because 328537131 - 23 = 328537123 is a prime.

It is a super-2 number, since 2×3285371312 = 215873292891422322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 328537092 and 328537101.

It is not an unprimeable number, because it can be changed into a prime (328537031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4211976 + ... + 4212053.

It is an arithmetic number, because the mean of its divisors is an integer number (58968210).

Almost surely, 2328537131 is an apocalyptic number.

328537131 is a deficient number, since it is larger than the sum of its proper divisors (143208549).

328537131 is a wasteful number, since it uses less digits than its factorization.

328537131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8424045.

The product of its digits is 15120, while the sum is 33.

The square root of 328537131 is about 18125.5932592564. The cubic root of 328537131 is about 690.0196948800.

The spelling of 328537131 in words is "three hundred twenty-eight million, five hundred thirty-seven thousand, one hundred thirty-one".

Divisors: 1 3 13 39 8424029 25272087 109512377 328537131