Search a number
-
+
2312300420 = 225367331477
BaseRepresentation
bin1000100111010010…
…1110011110000100
312222011000000212022
42021310232132010
514213422103140
61021240342312
7111205141433
oct21164563604
95864000768
102312300420
11a87262591
12546474998
132ab090b01
1417d15111a
15d80010b5
hex89d2e784

2312300420 has 24 divisors (see below), whose sum is σ = 4857307224. Its totient is φ = 924638976.

The previous prime is 2312300401. The next prime is 2312300429. The reversal of 2312300420 is 240032132.

It can be written as a sum of positive squares in 4 ways, for example, as 45778756 + 2266521664 = 6766^2 + 47608^2 .

It is not an unprimeable number, because it can be changed into a prime (2312300429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57722 + ... + 89198.

It is an arithmetic number, because the mean of its divisors is an integer number (202387801).

Almost surely, 22312300420 is an apocalyptic number.

2312300420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2312300420 is an abundant number, since it is smaller than the sum of its proper divisors (2545006804).

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

2312300420 is a wasteful number, since it uses less digits than its factorization.

2312300420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35159 (or 35157 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 2312300420 is about 48086.3849753753. The cubic root of 2312300420 is about 1322.3550740926.

Adding to 2312300420 its reverse (240032132), we get a palindrome (2552332552).

The spelling of 2312300420 in words is "two billion, three hundred twelve million, three hundred thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 3673 7346 14692 18365 31477 36730 62954 73460 125908 157385 314770 629540 115615021 231230042 462460084 578075105 1156150210 2312300420