Search a number
-
+
506381395 = 51316374759
BaseRepresentation
bin11110001011101…
…100010001010011
31022021211211200111
4132023230101103
52014113201040
6122125302151
715356112412
oct3613542123
91267754614
10506381395
1123a925923
12121704957
1380baa880
144b377479
152e6c8dea
hex1e2ec453

506381395 has 16 divisors (see below), whose sum is σ = 654937920. Its totient is φ = 373636224.

The previous prime is 506381387. The next prime is 506381399. The reversal of 506381395 is 593183605.

It is not a de Polignac number, because 506381395 - 23 = 506381387 is a prime.

It is not an unprimeable number, because it can be changed into a prime (506381399) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104026 + ... + 108784.

It is an arithmetic number, because the mean of its divisors is an integer number (40933620).

Almost surely, 2506381395 is an apocalyptic number.

506381395 is a deficient number, since it is larger than the sum of its proper divisors (148556525).

506381395 is a wasteful number, since it uses less digits than its factorization.

506381395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6414.

The product of its (nonzero) digits is 97200, while the sum is 40.

The square root of 506381395 is about 22502.9196994523. The cubic root of 506381395 is about 797.0628730324.

The spelling of 506381395 in words is "five hundred six million, three hundred eighty-one thousand, three hundred ninety-five".

Divisors: 1 5 13 65 1637 4759 8185 21281 23795 61867 106405 309335 7790483 38952415 101276279 506381395