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1444730 = 25720639
BaseRepresentation
bin101100000101101111010
32201101210112
411200231322
5332212410
650544322
715165020
oct5405572
92641715
101444730
118a74a1
125980a2
133b7791
14298710
151d8105
hex160b7a

1444730 has 16 divisors (see below), whose sum is σ = 2972160. Its totient is φ = 495312.

The previous prime is 1444697. The next prime is 1444747. The reversal of 1444730 is 374441.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1444696 and 1444705.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10250 + ... + 10389.

It is an arithmetic number, because the mean of its divisors is an integer number (185760).

21444730 is an apocalyptic number.

1444730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1444730 is an abundant number, since it is smaller than the sum of its proper divisors (1527430).

1444730 is a wasteful number, since it uses less digits than its factorization.

1444730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20653.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 1444730 is about 1201.9692175759. The cubic root of 1444730 is about 113.0478300143.

It can be divided in two parts, 14 and 44730, that added together give a palindrome (44744).

The spelling of 1444730 in words is "one million, four hundred forty-four thousand, seven hundred thirty".

Divisors: 1 2 5 7 10 14 35 70 20639 41278 103195 144473 206390 288946 722365 1444730