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1300420244 = 222691208569
BaseRepresentation
bin100110110000010…
…1101011010010100
310100121222012012202
41031200231122110
510130401421434
6333012304032
744140250444
oct11540553224
93317865182
101300420244
11608064a82
12303612018
13179554346
14c49d0124
1579274a7e
hex4d82d694

1300420244 has 12 divisors (see below), whose sum is σ = 2284197300. Its totient is φ = 647792448.

The previous prime is 1300420223. The next prime is 1300420259. The reversal of 1300420244 is 4420240031.

It can be written as a sum of positive squares in 2 ways, for example, as 40170244 + 1260250000 = 6338^2 + 35500^2 .

It is a super-2 number, since 2×13004202442 = 3382185622010039072, which contains 22 as substring.

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, 603209 + ... + 605360.

It is an arithmetic number, because the mean of its divisors is an integer number (190349775).

Almost surely, 21300420244 is an apocalyptic number.

It is an amenable number.

1300420244 is a deficient number, since it is larger than the sum of its proper divisors (983777056).

1300420244 is a wasteful number, since it uses less digits than its factorization.

1300420244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1208842 (or 1208840 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 1300420244 is about 36061.3400194724. The cubic root of 1300420244 is about 1091.5104732913.

Adding to 1300420244 its reverse (4420240031), we get a palindrome (5720660275).

The spelling of 1300420244 in words is "one billion, three hundred million, four hundred twenty thousand, two hundred forty-four".

Divisors: 1 2 4 269 538 1076 1208569 2417138 4834276 325105061 650210122 1300420244