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2917942844 = 221908138231
BaseRepresentation
bin1010110111101100…
…0100011000111100
321112100121212002012
42231323010120330
521433443132334
61201313350352
7132211050665
oct25573043074
97470555065
102917942844
111268114713
126952683b8
133766b39cb
141d976636c
151212859ce
hexadec463c

2917942844 has 12 divisors (see below), whose sum is σ = 5106801168. Its totient is φ = 1458856800.

The previous prime is 2917942837. The next prime is 2917942847. The reversal of 2917942844 is 4482497192.

It is a junction number, because it is equal to n+sod(n) for n = 2917942792 and 2917942801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2917942847) 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, 57209 + ... + 95439.

It is an arithmetic number, because the mean of its divisors is an integer number (425566764).

Almost surely, 22917942844 is an apocalyptic number.

It is an amenable number.

2917942844 is a deficient number, since it is larger than the sum of its proper divisors (2188858324).

2917942844 is a wasteful number, since it uses less digits than its factorization.

2917942844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57316 (or 57314 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 50.

The square root of 2917942844 is about 54017.9863008609. The cubic root of 2917942844 is about 1428.9781677509.

The spelling of 2917942844 in words is "two billion, nine hundred seventeen million, nine hundred forty-two thousand, eight hundred forty-four".

Divisors: 1 2 4 19081 38162 38231 76324 76462 152924 729485711 1458971422 2917942844