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2305134439 = 13916583701
BaseRepresentation
bin1000100101100101…
…1000111101100111
312221122111221222121
42021121120331213
514210103300224
61020423010411
7111060214366
oct21131307547
95848457877
102305134439
11a83208693
12543b99a07
132a975219a
1417c2077dd
15d7587be4
hex89658f67

2305134439 has 4 divisors (see below), whose sum is σ = 2321718280. Its totient is φ = 2288550600.

The previous prime is 2305134383. The next prime is 2305134479. The reversal of 2305134439 is 9344315032.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2305134439 - 27 = 2305134311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2305134479) 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, 8291712 + ... + 8291989.

It is an arithmetic number, because the mean of its divisors is an integer number (580429570).

Almost surely, 22305134439 is an apocalyptic number.

2305134439 is a deficient number, since it is larger than the sum of its proper divisors (16583841).

2305134439 is a wasteful number, since it uses less digits than its factorization.

2305134439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16583840.

The product of its (nonzero) digits is 38880, while the sum is 34.

The square root of 2305134439 is about 48011.8156186579. The cubic root of 2305134439 is about 1320.9876368510.

The spelling of 2305134439 in words is "two billion, three hundred five million, one hundred thirty-four thousand, four hundred thirty-nine".

Divisors: 1 139 16583701 2305134439