Search a number
-
+
480578138 = 2415860709
BaseRepresentation
bin11100101001010…
…000101001011010
31020111021220021022
4130221100221122
51441012000023
6115404242442
714623563305
oct3451205132
91214256238
10480578138
11227301517
12114b40422
1378744b81
1447b7bb3c
152c2cd7c8
hex1ca50a5a

480578138 has 8 divisors (see below), whose sum is σ = 738449460. Its totient is φ = 234428320.

The previous prime is 480578113. The next prime is 480578141. The reversal of 480578138 is 831875084.

It can be written as a sum of positive squares in 2 ways, for example, as 302168689 + 178409449 = 17383^2 + 13357^2 .

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

It is a Curzon number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2930273 + ... + 2930436.

Almost surely, 2480578138 is an apocalyptic number.

480578138 is a deficient number, since it is larger than the sum of its proper divisors (257871322).

480578138 is a wasteful number, since it uses less digits than its factorization.

480578138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5860752.

The product of its (nonzero) digits is 215040, while the sum is 44.

The square root of 480578138 is about 21922.0924639962. The cubic root of 480578138 is about 783.2877540202.

The spelling of 480578138 in words is "four hundred eighty million, five hundred seventy-eight thousand, one hundred thirty-eight".

Divisors: 1 2 41 82 5860709 11721418 240289069 480578138