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1444359 = 37109631
BaseRepresentation
bin101100000101000000111
32201101021210
411200220013
5332204414
650542503
715163650
oct5405007
92641253
101444359
118a7194
12597a33
133b7567
14298527
151d7e59
hex160a07

1444359 has 16 divisors (see below), whose sum is σ = 2224640. Its totient is φ = 816480.

The previous prime is 1444309. The next prime is 1444411. The reversal of 1444359 is 9534441.

It is not a de Polignac number, because 1444359 - 28 = 1444103 is a prime.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

1444359 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1444309) 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, 1974 + ... + 2604.

It is an arithmetic number, because the mean of its divisors is an integer number (139040).

21444359 is an apocalyptic number.

1444359 is a deficient number, since it is larger than the sum of its proper divisors (780281).

1444359 is a wasteful number, since it uses less digits than its factorization.

1444359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 750.

The product of its digits is 8640, while the sum is 30.

The square root of 1444359 is about 1201.8148775914. The cubic root of 1444359 is about 113.0381524654.

The spelling of 1444359 in words is "one million, four hundred forty-four thousand, three hundred fifty-nine".

Divisors: 1 3 7 21 109 327 631 763 1893 2289 4417 13251 68779 206337 481453 1444359