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1343444 = 22536337
BaseRepresentation
bin101000111111111010100
32112020212012
411013333110
5320442234
644443352
714263514
oct5077724
92466765
101343444
11838393
12549558
1338064b
1426d844
151b80ce
hex147fd4

1343444 has 12 divisors (see below), whose sum is σ = 2395764. Its totient is φ = 658944.

The previous prime is 1343431. The next prime is 1343467. The reversal of 1343444 is 4443431.

It can be written as a sum of positive squares in 2 ways, for example, as 722500 + 620944 = 850^2 + 788^2 .

It is a super-2 number, since 2×13434442 = 3609683562272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2957 + ... + 3380.

It is an arithmetic number, because the mean of its divisors is an integer number (199647).

21343444 is an apocalyptic number.

It is an amenable number.

1343444 is a deficient number, since it is larger than the sum of its proper divisors (1052320).

1343444 is a wasteful number, since it uses less digits than its factorization.

1343444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6394 (or 6392 counting only the distinct ones).

The product of its digits is 2304, while the sum is 23.

The square root of 1343444 is about 1159.0703171076. The cubic root of 1343444 is about 110.3417470808.

Adding to 1343444 its reverse (4443431), we get a palindrome (5786875).

The spelling of 1343444 in words is "one million, three hundred forty-three thousand, four hundred forty-four".

Divisors: 1 2 4 53 106 212 6337 12674 25348 335861 671722 1343444