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2300434645 = 517109248293
BaseRepresentation
bin1000100100011101…
…1101100011010101
312221022200012002011
42021013131203111
514202402402040
61020134144221
7111002241355
oct21107354325
95838605064
102300434645
11a80598663
125424b2071
132a8797c42
1417b742b65
15d6e5a3ea
hex891dd8d5

2300434645 has 16 divisors (see below), whose sum is σ = 2949732720. Its totient is φ = 1716194304.

The previous prime is 2300434613. The next prime is 2300434649. The reversal of 2300434645 is 5464340032.

2300434645 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 601181361 + 1699253284 = 24519^2 + 41222^2 .

It is a cyclic number.

It is not a de Polignac number, because 2300434645 - 25 = 2300434613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2300434649) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114882 + ... + 133411.

It is an arithmetic number, because the mean of its divisors is an integer number (184358295).

Almost surely, 22300434645 is an apocalyptic number.

It is an amenable number.

2300434645 is a deficient number, since it is larger than the sum of its proper divisors (649298075).

2300434645 is a wasteful number, since it uses less digits than its factorization.

2300434645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248424.

The product of its (nonzero) digits is 34560, while the sum is 31.

The square root of 2300434645 is about 47962.8465064366. The cubic root of 2300434645 is about 1320.0892664226.

Adding to 2300434645 its reverse (5464340032), we get a palindrome (7764774677).

The spelling of 2300434645 in words is "two billion, three hundred million, four hundred thirty-four thousand, six hundred forty-five".

Divisors: 1 5 17 85 109 545 1853 9265 248293 1241465 4220981 21104905 27063937 135319685 460086929 2300434645