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1020002300 = 225231893697
BaseRepresentation
bin111100110010111…
…111111111111100
32122002022111002222
4330302333333330
54042110033200
6245114104512
734163606432
oct7462777774
92562274088
101020002300
11483845909
1224571b138
13133421675
1499676d52
155e832d85
hex3ccbfffc

1020002300 has 72 divisors (see below), whose sum is σ = 2311102080. Its totient is φ = 390297600.

The previous prime is 1020002299. The next prime is 1020002309. The reversal of 1020002300 is 32000201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020002309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 274052 + ... + 277748.

It is an arithmetic number, because the mean of its divisors is an integer number (32098640).

Almost surely, 21020002300 is an apocalyptic number.

1020002300 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 1020002300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1155551040).

1020002300 is an abundant number, since it is smaller than the sum of its proper divisors (1291099780).

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

1020002300 is a wasteful number, since it uses less digits than its factorization.

1020002300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3831 (or 3824 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 8.

The square root of 1020002300 is about 31937.4748532191. The cubic root of 1020002300 is about 1006.6234661714.

Adding to 1020002300 its reverse (32000201), we get a palindrome (1052002501).

The spelling of 1020002300 in words is "one billion, twenty million, two thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 31 50 62 89 100 124 155 178 310 356 445 620 775 890 1550 1780 2225 2759 3100 3697 4450 5518 7394 8900 11036 13795 14788 18485 27590 36970 55180 68975 73940 92425 114607 137950 184850 229214 275900 329033 369700 458428 573035 658066 1146070 1316132 1645165 2292140 2865175 3290330 5730350 6580660 8225825 10200023 11460700 16451650 20400046 32903300 40800092 51000115 102000230 204000460 255000575 510001150 1020002300