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4444504385 = 54241209597
BaseRepresentation
bin1000010001110100…
…11100000101000001
3102110202010012211112
410020322130011001
533100243120020
62013005053105
7215065443506
oct41072340501
912422105745
104444504385
111980896a22
12a40557195
1355aa45b69
143023c14ad
151b02ca2c5
hex108e9c141

4444504385 has 8 divisors (see below), whose sum is σ = 5334688296. Its totient is φ = 3554748160.

The previous prime is 4444504373. The next prime is 4444504387. The reversal of 4444504385 is 5834054444.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2798092609 + 1646411776 = 52897^2 + 40576^2 .

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

It is not a de Polignac number, because 4444504385 - 222 = 4440310081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4444504387) 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, 83594 + ... + 126003.

It is an arithmetic number, because the mean of its divisors is an integer number (666836037).

Almost surely, 24444504385 is an apocalyptic number.

It is an amenable number.

4444504385 is a deficient number, since it is larger than the sum of its proper divisors (890183911).

4444504385 is a wasteful number, since it uses less digits than its factorization.

4444504385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213843.

The product of its (nonzero) digits is 614400, while the sum is 41.

The square root of 4444504385 is about 66667.1162193176. The cubic root of 4444504385 is about 1644.1487741598.

The spelling of 4444504385 in words is "four billion, four hundred forty-four million, five hundred four thousand, three hundred eighty-five".

Divisors: 1 5 4241 21205 209597 1047985 888900877 4444504385