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1444490937 = 321935571493
BaseRepresentation
bin101011000011001…
…0010111010111001
310201200001202001100
41112012102322321
510424242202222
6355200242013
750536653561
oct12606227271
93650052040
101444490937
1168141746a
12343910309
131a0358486
14d9bb3da1
1586c324ac
hex56192eb9

1444490937 has 24 divisors (see below), whose sum is σ = 2102470344. Its totient is φ = 955643904.

The previous prime is 1444490933. The next prime is 1444490963. The reversal of 1444490937 is 7390944441.

It can be written as a sum of positive squares in 4 ways, for example, as 72233001 + 1372257936 = 8499^2 + 37044^2 .

It is not a de Polignac number, because 1444490937 - 22 = 1444490933 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1444490892 and 1444490901.

It is not an unprimeable number, because it can be changed into a prime (1444490933) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 966763 + ... + 968255.

It is an arithmetic number, because the mean of its divisors is an integer number (87602931).

Almost surely, 21444490937 is an apocalyptic number.

It is an amenable number.

1444490937 is a deficient number, since it is larger than the sum of its proper divisors (657979407).

1444490937 is a wasteful number, since it uses less digits than its factorization.

1444490937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2249 (or 2246 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The square root of 1444490937 is about 38006.4591484132. The cubic root of 1444490937 is about 1130.4159423684.

The spelling of 1444490937 in words is "one billion, four hundred forty-four million, four hundred ninety thousand, nine hundred thirty-seven".

Divisors: 1 3 9 193 557 579 1493 1671 1737 4479 5013 13437 107501 288149 322503 831601 864447 967509 2494803 2593341 7484409 160498993 481496979 1444490937