Search a number
-
+
1000424800 = 25523114021
BaseRepresentation
bin111011101000010…
…100010101100000
32120201110211211101
4323220110111200
54022102043200
6243134324144
733535320244
oct7350242540
92521424741
101000424800
11473793a61
1223b059654
1312c35864b
1496c1c424
155cc6726a
hex3ba14560

1000424800 has 72 divisors (see below), whose sum is σ = 2450749392. Its totient is φ = 398784000.

The previous prime is 1000424797. The next prime is 1000424837. The reversal of 1000424800 is 84240001.

It is a hoax number, since the sum of its digits (19) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 246790 + ... + 250810.

It is an arithmetic number, because the mean of its divisors is an integer number (34038186).

Almost surely, 21000424800 is an apocalyptic number.

1000424800 is a gapful number since it is divisible by the number (10) 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 1000424800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1225374696).

1000424800 is an abundant number, since it is smaller than the sum of its proper divisors (1450324592).

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

1000424800 is a wasteful number, since it uses less digits than its factorization.

1000424800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4352 (or 4339 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 1000424800 is about 31629.4925662743. The cubic root of 1000424800 is about 1000.1415799542.

Adding to 1000424800 its reverse (84240001), we get a palindrome (1084664801).

The spelling of 1000424800 in words is "one billion, four hundred twenty-four thousand, eight hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 160 200 311 400 622 800 1244 1555 2488 3110 4021 4976 6220 7775 8042 9952 12440 15550 16084 20105 24880 31100 32168 40210 49760 62200 64336 80420 100525 124400 128672 160840 201050 248800 321680 402100 643360 804200 1250531 1608400 2501062 3216800 5002124 6252655 10004248 12505310 20008496 25010620 31263275 40016992 50021240 62526550 100042480 125053100 200084960 250106200 500212400 1000424800