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2338406881 = 3796918929
BaseRepresentation
bin1000101101100001…
…0100000111100001
320000222010101012021
42023120110013201
514242113010011
61024012101441
7111643062526
oct21330240741
96028111167
102338406881
11a9aa73778
12553164881
132b3601815
141827c914d
15da45b471
hex8b6141e1

2338406881 has 8 divisors (see below), whose sum is σ = 2348232800. Its totient is φ = 2328600960.

The previous prime is 2338406773. The next prime is 2338406929. The reversal of 2338406881 is 1886048332.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2338406881 - 211 = 2338404833 is a prime.

It is a super-2 number, since 2×23384068812 = 10936293482216296322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2338404881) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 257425 + ... + 266353.

It is an arithmetic number, because the mean of its divisors is an integer number (293529100).

Almost surely, 22338406881 is an apocalyptic number.

It is an amenable number.

2338406881 is a deficient number, since it is larger than the sum of its proper divisors (9825919).

2338406881 is an equidigital number, since it uses as much as digits as its factorization.

2338406881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9999.

The product of its (nonzero) digits is 221184, while the sum is 43.

The square root of 2338406881 is about 48357.0768450699. The cubic root of 2338406881 is about 1327.3130370129.

The spelling of 2338406881 in words is "two billion, three hundred thirty-eight million, four hundred six thousand, eight hundred eighty-one".

Divisors: 1 379 691 8929 261889 3384091 6169939 2338406881