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444000003 = 31319471193
BaseRepresentation
bin11010011101101…
…110011100000011
31010221110112111120
4122131232130003
51402131000003
6112020243323
714000636436
oct3235563403
91127415446
10444000003
11208698857
12104840543
1370ca89c5
1442d7981d
1528ea5853
hex1a76e703

444000003 has 16 divisors (see below), whose sum is σ = 597649536. Its totient is φ = 293184320.

The previous prime is 443999993. The next prime is 444000041. The reversal of 444000003 is 300000444.

It is a cyclic number.

It is not a de Polignac number, because 444000003 - 25 = 443999971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (444000103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 371575 + ... + 372767.

It is an arithmetic number, because the mean of its divisors is an integer number (37353096).

Almost surely, 2444000003 is an apocalyptic number.

444000003 is a deficient number, since it is larger than the sum of its proper divisors (153649533).

444000003 is a wasteful number, since it uses less digits than its factorization.

444000003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2274.

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 444000003 is about 21071.3075768923. The cubic root of 444000003 is about 762.8883643035. Note that the first 3 decimals are identical.

Adding to 444000003 its reverse (300000444), we get a palindrome (744000447).

The spelling of 444000003 in words is "four hundred forty-four million, three", and thus it is an aban number.

Divisors: 1 3 131 393 947 1193 2841 3579 124057 156283 372171 468849 1129771 3389313 148000001 444000003