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4384938881 = 29197767537
BaseRepresentation
bin1000001010101110…
…01101101110000001
3102022121000222022202
410011113031232001
532440021021011
62003040242545
7213443236241
oct40527155601
912277028282
104384938881
111950202534
12a24610455
1354b5bb8bb
142d8517b21
151a9e6123b
hex1055cdb81

4384938881 has 8 divisors (see below), whose sum is σ = 4559175720. Its totient is φ = 4212237568.

The previous prime is 4384938841. The next prime is 4384938907. The reversal of 4384938881 is 1888394834.

It can be written as a sum of positive squares in 4 ways, for example, as 1632887281 + 2752051600 = 40409^2 + 52460^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-4384938881 is a prime.

It is a super-2 number, since 2×43849388812 = 38455377980211064322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4384938821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 378056 + ... + 389481.

It is an arithmetic number, because the mean of its divisors is an integer number (569896965).

Almost surely, 24384938881 is an apocalyptic number.

It is an amenable number.

4384938881 is a deficient number, since it is larger than the sum of its proper divisors (174236839).

4384938881 is a wasteful number, since it uses less digits than its factorization.

4384938881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 767763.

The product of its digits is 5308416, while the sum is 56.

The square root of 4384938881 is about 66218.8710338677. The cubic root of 4384938881 is about 1636.7707227564.

The spelling of 4384938881 in words is "four billion, three hundred eighty-four million, nine hundred thirty-eight thousand, eight hundred eighty-one".

Divisors: 1 29 197 5713 767537 22258573 151204789 4384938881