Search a number
-
+
8225438 = 213316363
BaseRepresentation
bin11111011000001010011110
3120110220011212
4133120022132
54101203223
6452144422
7126625604
oct37301236
916426155
108225438
114708991
122908112
13191cc30
141141874
15ac7278
hex7d829e

8225438 has 8 divisors (see below), whose sum is σ = 13287288. Its totient is φ = 3796344.

The previous prime is 8225431. The next prime is 8225471. The reversal of 8225438 is 8345228.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8225431) 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 3 ways as a sum of consecutive naturals, for example, 158156 + ... + 158207.

It is an arithmetic number, because the mean of its divisors is an integer number (1660911).

Almost surely, 28225438 is an apocalyptic number.

8225438 is a deficient number, since it is larger than the sum of its proper divisors (5061850).

8225438 is a wasteful number, since it uses less digits than its factorization.

8225438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316378.

The product of its digits is 15360, while the sum is 32.

The square root of 8225438 is about 2868.0024407242. The cubic root of 8225438 is about 201.8612745511.

The spelling of 8225438 in words is "eight million, two hundred twenty-five thousand, four hundred thirty-eight".

Divisors: 1 2 13 26 316363 632726 4112719 8225438