Search a number
-
+
228458382 = 2338076397
BaseRepresentation
bin11011001110111…
…11111110001110
3120220212212222120
431213133332032
5431441132012
634400353410
75442602265
oct1547377616
9526785876
10228458382
11107a60189
1264615866
133843c699
14224ad5dc
15150cb58c
hexd9dff8e

228458382 has 8 divisors (see below), whose sum is σ = 456916776. Its totient is φ = 76152792.

The previous prime is 228458353. The next prime is 228458453. The reversal of 228458382 is 283854822.

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

228458382 is an admirable 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, 19038193 + ... + 19038204.

It is an arithmetic number, because the mean of its divisors is an integer number (57114597).

Almost surely, 2228458382 is an apocalyptic number.

228458382 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

228458382 is a wasteful number, since it uses less digits than its factorization.

228458382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38076402.

The product of its digits is 245760, while the sum is 42.

The square root of 228458382 is about 15114.8397940567. The cubic root of 228458382 is about 611.3206021634.

The spelling of 228458382 in words is "two hundred twenty-eight million, four hundred fifty-eight thousand, three hundred eighty-two".

Divisors: 1 2 3 6 38076397 76152794 114229191 228458382