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2939345269 = 7419906467
BaseRepresentation
bin1010111100110010…
…1101100101110101
321120211220012200121
42233030231211311
522004433022034
61203400211541
7132561010510
oct25714554565
97524805617
102939345269
111279202673
126a0469bb1
1337ac68573
141dc537d77
151230b21b4
hexaf32d975

2939345269 has 4 divisors (see below), whose sum is σ = 3359251744. Its totient is φ = 2519438796.

The previous prime is 2939345263. The next prime is 2939345287. The reversal of 2939345269 is 9625439392.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2939345269 - 23 = 2939345261 is a prime.

It is a super-2 number, since 2×29393452692 = 17279501220785364722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2939345261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 209953227 + ... + 209953240.

It is an arithmetic number, because the mean of its divisors is an integer number (839812936).

Almost surely, 22939345269 is an apocalyptic number.

It is an amenable number.

2939345269 is a deficient number, since it is larger than the sum of its proper divisors (419906475).

2939345269 is an equidigital number, since it uses as much as digits as its factorization.

2939345269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419906474.

The product of its digits is 3149280, while the sum is 52.

The square root of 2939345269 is about 54215.7289815419. The cubic root of 2939345269 is about 1432.4634001453.

The spelling of 2939345269 in words is "two billion, nine hundred thirty-nine million, three hundred forty-five thousand, two hundred sixty-nine".

Divisors: 1 7 419906467 2939345269