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2920946305 = 5584189261
BaseRepresentation
bin1010111000011010…
…0001101010000001
321112120021110001111
42232012201222001
521440230240210
61201502003321
7132245430304
oct25606415201
97476243044
102920946305
111269886212
12696276541
133771c5ac4
141d9d08b3b
1512167a88a
hexae1a1a81

2920946305 has 4 divisors (see below), whose sum is σ = 3505135572. Its totient is φ = 2336757040.

The previous prime is 2920946293. The next prime is 2920946317. The reversal of 2920946305 is 5036490292.

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 (2920946293) and next prime (2920946317).

It can be written as a sum of positive squares in 2 ways, for example, as 2334919041 + 586027264 = 48321^2 + 24208^2 .

It is not a de Polignac number, because 2920946305 - 29 = 2920945793 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 292094626 + ... + 292094635.

It is an arithmetic number, because the mean of its divisors is an integer number (876283893).

Almost surely, 22920946305 is an apocalyptic number.

It is an amenable number.

2920946305 is a deficient number, since it is larger than the sum of its proper divisors (584189267).

2920946305 is an equidigital number, since it uses as much as digits as its factorization.

2920946305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 584189266.

The product of its (nonzero) digits is 116640, while the sum is 40.

The square root of 2920946305 is about 54045.7797149787. The cubic root of 2920946305 is about 1429.4682856996.

The spelling of 2920946305 in words is "two billion, nine hundred twenty million, nine hundred forty-six thousand, three hundred five".

Divisors: 1 5 584189261 2920946305