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1444356 = 223253757
BaseRepresentation
bin101100000101000000100
32201101021200
411200220010
5332204411
650542500
715163644
oct5405004
92641250
101444356
118a7191
12597a30
133b7564
14298524
151d7e56
hex160a04

1444356 has 36 divisors (see below), whose sum is σ = 3724812. Its totient is φ = 471744.

The previous prime is 1444309. The next prime is 1444411. The reversal of 1444356 is 6534441.

It can be written as a sum of positive squares in 2 ways, for example, as 968256 + 476100 = 984^2 + 690^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1530 + ... + 2286.

It is an arithmetic number, because the mean of its divisors is an integer number (103467).

21444356 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1444356, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1862406).

1444356 is an abundant number, since it is smaller than the sum of its proper divisors (2280456).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1444356 is a wasteful number, since it uses less digits than its factorization.

1444356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 820 (or 815 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 1444356 is about 1201.8136294784. The cubic root of 1444356 is about 113.0380742035.

Adding to 1444356 its reverse (6534441), we get a palindrome (7978797).

It can be divided in two parts, 144435 and 6, that added together give a palindrome (144441).

The spelling of 1444356 in words is "one million, four hundred forty-four thousand, three hundred fifty-six".

Divisors: 1 2 3 4 6 9 12 18 36 53 106 159 212 318 477 636 757 954 1514 1908 2271 3028 4542 6813 9084 13626 27252 40121 80242 120363 160484 240726 361089 481452 722178 1444356