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1300231340 = 22565011567
BaseRepresentation
bin100110101111111…
…1111010010101100
310100121121121002022
41031133333102230
510130324400330
6333004245312
744135532632
oct11537772254
93317547068
101300231340
11607a46061
12303540838
131794b9375
14c4981352
1579238ae5
hex4d7ff4ac

1300231340 has 12 divisors (see below), whose sum is σ = 2730485856. Its totient is φ = 520092528.

The previous prime is 1300231297. The next prime is 1300231399. The reversal of 1300231340 is 431320031.

It is a happy 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, 32505764 + ... + 32505803.

It is an arithmetic number, because the mean of its divisors is an integer number (227540488).

Almost surely, 21300231340 is an apocalyptic number.

1300231340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1300231340 is an abundant number, since it is smaller than the sum of its proper divisors (1430254516).

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

1300231340 is a wasteful number, since it uses less digits than its factorization.

1300231340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65011576 (or 65011574 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 1300231340 is about 36058.7207205136. The cubic root of 1300231340 is about 1091.4576184084.

Adding to 1300231340 its reverse (431320031), we get a palindrome (1731551371).

The spelling of 1300231340 in words is "one billion, three hundred million, two hundred thirty-one thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 65011567 130023134 260046268 325057835 650115670 1300231340