Search a number
-
+
1344441 = 3773877
BaseRepresentation
bin101001000001110111001
32112022020010
411020032321
5321010231
644452133
714266440
oct5101671
92468203
101344441
1183910a
1254a049
13380c37
1426dd57
151b8546
hex1483b9

1344441 has 16 divisors (see below), whose sum is σ = 2079104. Its totient is φ = 756864.

The previous prime is 1344407. The next prime is 1344457. The reversal of 1344441 is 1444431.

1344441 = T56 + T57 + ... + T201.

It is a de Polignac number, because none of the positive numbers 2k-1344441 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is the 1160-th Hogben number.

It is a Duffinian number.

1344441 is a Rhonda number in base 6.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1344401) by changing a digit.

It is a nontrivial repunit in base 1159.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1095 + ... + 1971.

It is an arithmetic number, because the mean of its divisors is an integer number (129944).

21344441 is an apocalyptic number.

It is an amenable number.

1344441 is a deficient number, since it is larger than the sum of its proper divisors (734663).

1344441 is an equidigital number, since it uses as much as digits as its factorization.

1344441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 960.

The product of its digits is 768, while the sum is 21.

The square root of 1344441 is about 1159.5003234152. The cubic root of 1344441 is about 110.3690360286.

Adding to 1344441 its reverse (1444431), we get a palindrome (2788872).

It can be divided in two parts, 1344 and 441, that multiplied together give a cube (592704 = 843).

The spelling of 1344441 in words is "one million, three hundred forty-four thousand, four hundred forty-one".

Divisors: 1 3 7 21 73 219 511 877 1533 2631 6139 18417 64021 192063 448147 1344441