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1444130 = 25144413
BaseRepresentation
bin101100000100100100010
32201100222022
411200210202
5332203010
650541442
715163202
oct5404442
92640868
101444130
118a6aa6
12597882
133b741c
14298402
151d7d55
hex160922

1444130 has 8 divisors (see below), whose sum is σ = 2599452. Its totient is φ = 577648.

The previous prime is 1444111. The next prime is 1444181. The reversal of 1444130 is 314441.

It can be written as a sum of positive squares in 2 ways, for example, as 1256641 + 187489 = 1121^2 + 433^2 .

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

It is a super-2 number, since 2×14441302 = 4171022913800, which contains 22 as substring.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 1444099 and 1444108.

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 3 ways as a sum of consecutive naturals, for example, 72197 + ... + 72216.

21444130 is an apocalyptic number.

1444130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1444130 is a deficient number, since it is larger than the sum of its proper divisors (1155322).

1444130 is a wasteful number, since it uses less digits than its factorization.

1444130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144420.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1444130 is about 1201.7196012382. The cubic root of 1444130 is about 113.0321781647.

Adding to 1444130 its reverse (314441), we get a palindrome (1758571).

It can be divided in two parts, 14 and 44130, that added together give a palindrome (44144).

The spelling of 1444130 in words is "one million, four hundred forty-four thousand, one hundred thirty".

Divisors: 1 2 5 10 144413 288826 722065 1444130