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1300002244 = 221889172049
BaseRepresentation
bin100110101111100…
…0111010111000100
310100121011221211021
41031133013113010
510130300032434
6332555320524
744133560002
oct11537072704
93317157737
101300002244
116078a9a22
12303450144
13179438cc8
14c4921a72
15791e0cb4
hex4d7c75c4

1300002244 has 12 divisors (see below), whose sum is σ = 2276221500. Its totient is φ = 649653248.

The previous prime is 1300002241. The next prime is 1300002247. The reversal of 1300002244 is 4422000031.

It is an interprime number because it is at equal distance from previous prime (1300002241) and next prime (1300002247).

It can be written as a sum of positive squares in 2 ways, for example, as 890425600 + 409576644 = 29840^2 + 20238^2 .

It is not an unprimeable number, because it can be changed into a prime (1300002241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78469 + ... + 93580.

It is an arithmetic number, because the mean of its divisors is an integer number (189685125).

Almost surely, 21300002244 is an apocalyptic number.

It is an amenable number.

1300002244 is a deficient number, since it is larger than the sum of its proper divisors (976219256).

1300002244 is a wasteful number, since it uses less digits than its factorization.

1300002244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173942 (or 173940 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 1300002244 is about 36055.5438733075. The cubic root of 1300002244 is about 1091.3935110314.

Adding to 1300002244 its reverse (4422000031), we get a palindrome (5722002275).

The spelling of 1300002244 in words is "one billion, three hundred million, two thousand, two hundred forty-four".

Divisors: 1 2 4 1889 3778 7556 172049 344098 688196 325000561 650001122 1300002244