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248800000 = 2855311
BaseRepresentation
bin11101101010001…
…10001100000000
3122100011100102211
432311012030000
51002143100000
640404351504
76110523301
oct1665061400
9570140384
10248800000
11118494139
126b3a5594
133c712447
14250867a8
1516c987ba
hexed46300

248800000 has 108 divisors (see below), whose sum is σ = 622741392. Its totient is φ = 99200000.

The previous prime is 248799997. The next prime is 248800001. The reversal of 248800000 is 8842.

It is not an unprimeable number, because it can be changed into a prime (248800001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 799845 + ... + 800155.

It is an arithmetic number, because the mean of its divisors is an integer number (5766124).

Almost surely, 2248800000 is an apocalyptic number.

248800000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 248800000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (311370696).

248800000 is an abundant number, since it is smaller than the sum of its proper divisors (373941392).

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

248800000 is an frugal number, since it uses more digits than its factorization.

248800000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352 (or 318 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

The square root of 248800000 is about 15773.3953225043. The cubic root of 248800000 is about 628.9509710942.

Adding to 248800000 its reverse (8842), we get a palindrome (248808842).

The spelling of 248800000 in words is "two hundred forty-eight million, eight hundred thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 125 128 160 200 250 256 311 320 400 500 622 625 640 800 1000 1244 1250 1280 1555 1600 2000 2488 2500 3110 3125 3200 4000 4976 5000 6220 6250 6400 7775 8000 9952 10000 12440 12500 15550 16000 19904 20000 24880 25000 31100 32000 38875 39808 40000 49760 50000 62200 77750 79616 80000 99520 100000 124400 155500 160000 194375 199040 200000 248800 311000 388750 398080 400000 497600 622000 777500 800000 971875 995200 1244000 1555000 1943750 1990400 2488000 3110000 3887500 4976000 6220000 7775000 9952000 12440000 15550000 24880000 31100000 49760000 62200000 124400000 248800000