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1300343140 = 22565017157
BaseRepresentation
bin100110110000001…
…1010100101100100
310100121211021110001
41031200122211210
510130341440030
6333010511044
744136506605
oct11540324544
93317737401
101300343140
11608012058
12303595484
13179528215
14c49addac
157925bcca
hex4d81a964

1300343140 has 12 divisors (see below), whose sum is σ = 2730720636. Its totient is φ = 520137248.

The previous prime is 1300343131. The next prime is 1300343153. The reversal of 1300343140 is 413430031.

It can be written as a sum of positive squares in 2 ways, for example, as 862361956 + 437981184 = 29366^2 + 20928^2 .

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 3 ways as a sum of consecutive naturals, for example, 32508559 + ... + 32508598.

It is an arithmetic number, because the mean of its divisors is an integer number (227560053).

Almost surely, 21300343140 is an apocalyptic number.

1300343140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1300343140 is an abundant number, since it is smaller than the sum of its proper divisors (1430377496).

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

1300343140 is a wasteful number, since it uses less digits than its factorization.

1300343140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65017166 (or 65017164 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 1300343140 is about 36060.2709363088. The cubic root of 1300343140 is about 1091.4889003966.

Adding to 1300343140 its reverse (413430031), we get a palindrome (1713773171).

The spelling of 1300343140 in words is "one billion, three hundred million, three hundred forty-three thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 65017157 130034314 260068628 325085785 650171570 1300343140