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1000244420 = 225731122973
BaseRepresentation
bin111011100111101…
…000010011000100
32120201010200101122
4323213220103010
54022030310140
6243130413112
733533636330
oct7347502304
92521120348
101000244420
1147368048a
1223ab91198
1312c2c4506
1496bb27c0
155cc2dab5
hex3b9e84c4

1000244420 has 48 divisors (see below), whose sum is σ = 2408410368. Its totient is φ = 341823360.

The previous prime is 1000244411. The next prime is 1000244437. The reversal of 1000244420 is 244420001.

1000244420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×10002444203 (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32054 + ... + 55026.

It is an arithmetic number, because the mean of its divisors is an integer number (50175216).

Almost surely, 21000244420 is an apocalyptic number.

1000244420 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 1000244420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1204205184).

1000244420 is an abundant number, since it is smaller than the sum of its proper divisors (1408165948).

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

1000244420 is a wasteful number, since it uses less digits than its factorization.

1000244420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23300 (or 23298 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 1000244420 is about 31626.6409850936. The cubic root of 1000244420 is about 1000.0814666963.

Adding to 1000244420 its reverse (244420001), we get a palindrome (1244664421).

The spelling of 1000244420 in words is "one billion, two hundred forty-four thousand, four hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 311 622 1244 1555 2177 3110 4354 6220 8708 10885 21770 22973 43540 45946 91892 114865 160811 229730 321622 459460 643244 804055 1608110 3216220 7144603 14289206 28578412 35723015 50012221 71446030 100024442 142892060 200048884 250061105 500122210 1000244420