Search a number
-
+
508425838 = 2254212919
BaseRepresentation
bin11110010011011…
…111011001101110
31022102200201010121
4132103133121232
52020124111323
6122241155154
715412356034
oct3623373156
91272621117
10508425838
11240aa1948
1212232baba
13814452bb
144b74a554
152e97ea5d
hex1e4df66e

508425838 has 4 divisors (see below), whose sum is σ = 762638760. Its totient is φ = 254212918.

The previous prime is 508425829. The next prime is 508425859. The reversal of 508425838 is 838524805.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 508425794 and 508425803.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127106458 + ... + 127106461.

It is an arithmetic number, because the mean of its divisors is an integer number (190659690).

Almost surely, 2508425838 is an apocalyptic number.

508425838 is a deficient number, since it is larger than the sum of its proper divisors (254212922).

508425838 is a wasteful number, since it uses less digits than its factorization.

508425838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254212921.

The product of its (nonzero) digits is 307200, while the sum is 43.

The square root of 508425838 is about 22548.3001133123. The cubic root of 508425838 is about 798.1341087373.

The spelling of 508425838 in words is "five hundred eight million, four hundred twenty-five thousand, eight hundred thirty-eight".

Divisors: 1 2 254212919 508425838