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1444355 = 51126261
BaseRepresentation
bin101100000101000000011
32201101021122
411200220003
5332204410
650542455
715163643
oct5405003
92641248
101444355
118a7190
12597a2b
133b7563
14298523
151d7e55
hex160a03

1444355 has 8 divisors (see below), whose sum is σ = 1890864. Its totient is φ = 1050400.

The previous prime is 1444309. The next prime is 1444411. The reversal of 1444355 is 5534441.

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

It is not a de Polignac number, because 1444355 - 26 = 1444291 is a prime.

It is a super-2 number, since 2×14443552 = 4172322732050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13076 + ... + 13185.

It is an arithmetic number, because the mean of its divisors is an integer number (236358).

21444355 is an apocalyptic number.

1444355 is a deficient number, since it is larger than the sum of its proper divisors (446509).

1444355 is a wasteful number, since it uses less digits than its factorization.

1444355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26277.

The product of its digits is 4800, while the sum is 26.

The square root of 1444355 is about 1201.8132134404. The cubic root of 1444355 is about 113.0380481162.

Adding to 1444355 its reverse (5534441), we get a palindrome (6978796).

The spelling of 1444355 in words is "one million, four hundred forty-four thousand, three hundred fifty-five".

Divisors: 1 5 11 55 26261 131305 288871 1444355