Search a number
-
+
506025445 = 5101205089
BaseRepresentation
bin11110001010010…
…101010111100101
31022021011202102011
4132022111113211
52014020303240
6122113514221
715353100562
oct3612252745
91267152364
10506025445
1123a702452
12121572971
1380ab4853
144b2c3869
152e6586ea
hex1e2955e5

506025445 has 4 divisors (see below), whose sum is σ = 607230540. Its totient is φ = 404820352.

The previous prime is 506025433. The next prime is 506025467. The reversal of 506025445 is 544520605.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 544520605 = 5108904121.

It can be written as a sum of positive squares in 2 ways, for example, as 151757761 + 354267684 = 12319^2 + 18822^2 .

It is a cyclic number.

It is not a de Polignac number, because 506025445 - 215 = 505992677 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50602540 + ... + 50602549.

It is an arithmetic number, because the mean of its divisors is an integer number (151807635).

Almost surely, 2506025445 is an apocalyptic number.

It is an amenable number.

506025445 is a deficient number, since it is larger than the sum of its proper divisors (101205095).

506025445 is a wasteful number, since it uses less digits than its factorization.

506025445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101205094.

The product of its (nonzero) digits is 24000, while the sum is 31.

The square root of 506025445 is about 22495.0093354059. The cubic root of 506025445 is about 796.8760698076.

The spelling of 506025445 in words is "five hundred six million, twenty-five thousand, four hundred forty-five".

Divisors: 1 5 101205089 506025445