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445014003 = 3721191143
BaseRepresentation
bin11010100001100…
…101111111110011
31011000101001110010
4122201211333303
51402410422003
6112054110003
714012361630
oct3241457763
91130331403
10445014003
11209220675
1210504b303
13712723c5
1443161187
1529106003
hex1a865ff3

445014003 has 8 divisors (see below), whose sum is σ = 678116608. Its totient is φ = 254293704.

The previous prime is 445013983. The next prime is 445014007. The reversal of 445014003 is 300410544.

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

It is not a de Polignac number, because 445014003 - 226 = 377905139 is a prime.

It is a super-3 number, since 3×4450140033 (a number of 27 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 21191143 = 445014003 / (4 + 4 + 5 + 0 + 1 + 4 + 0 + 0 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (445014007) 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, 10595551 + ... + 10595592.

It is an arithmetic number, because the mean of its divisors is an integer number (84764576).

Almost surely, 2445014003 is an apocalyptic number.

445014003 is a deficient number, since it is larger than the sum of its proper divisors (233102605).

445014003 is a wasteful number, since it uses less digits than its factorization.

445014003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21191153.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 445014003 is about 21095.3550100490. The cubic root of 445014003 is about 763.4686801100.

Adding to 445014003 its reverse (300410544), we get a palindrome (745424547).

The spelling of 445014003 in words is "four hundred forty-five million, fourteen thousand, three".

Divisors: 1 3 7 21 21191143 63573429 148338001 445014003