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2945473287 = 3981824429
BaseRepresentation
bin1010111110010000…
…0101101100000111
321121021102112202020
42233210011230013
522013020121122
61204135414223
7132664052451
oct25744055407
97537375666
102945473287
111281708749
126a2524373
1337c302903
141dd2912d1
151238c2c5c
hexaf905b07

2945473287 has 4 divisors (see below), whose sum is σ = 3927297720. Its totient is φ = 1963648856.

The previous prime is 2945473283. The next prime is 2945473291. The reversal of 2945473287 is 7823745492.

2945473287 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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

It is an interprime number because it is at equal distance from previous prime (2945473283) and next prime (2945473291).

It is a cyclic number.

It is not a de Polignac number, because 2945473287 - 22 = 2945473283 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2945473283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 490912212 + ... + 490912217.

It is an arithmetic number, because the mean of its divisors is an integer number (981824430).

Almost surely, 22945473287 is an apocalyptic number.

2945473287 is a deficient number, since it is larger than the sum of its proper divisors (981824433).

2945473287 is an equidigital number, since it uses as much as digits as its factorization.

2945473287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 981824432.

The product of its digits is 3386880, while the sum is 51.

The square root of 2945473287 is about 54272.2146867069. The cubic root of 2945473287 is about 1433.4581872431.

The spelling of 2945473287 in words is "two billion, nine hundred forty-five million, four hundred seventy-three thousand, two hundred eighty-seven".

Divisors: 1 3 981824429 2945473287