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1343944 = 237103233
BaseRepresentation
bin101001000000111001000
32112021112201
411020013020
5321001234
644445544
714265130
oct5100710
92467481
101343944
118387a8
125498b4
13380944
1426dac0
151b8314
hex1481c8

1343944 has 32 divisors (see below), whose sum is σ = 2920320. Its totient is φ = 567936.

The previous prime is 1343941. The next prime is 1343957. The reversal of 1343944 is 4493431.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an Ulam number.

It is a zygodrome in base 6.

It is not an unprimeable number, because it can be changed into a prime (1343941) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 5652 + ... + 5884.

It is an arithmetic number, because the mean of its divisors is an integer number (91260).

21343944 is an apocalyptic number.

1343944 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1343944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1460160).

1343944 is an abundant number, since it is smaller than the sum of its proper divisors (1576376).

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

1343944 is a wasteful number, since it uses less digits than its factorization.

1343944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349 (or 345 counting only the distinct ones).

The product of its digits is 5184, while the sum is 28.

The square root of 1343944 is about 1159.2859871490. The cubic root of 1343944 is about 110.3554342983.

The spelling of 1343944 in words is "one million, three hundred forty-three thousand, nine hundred forty-four".

Divisors: 1 2 4 7 8 14 28 56 103 206 233 412 466 721 824 932 1442 1631 1864 2884 3262 5768 6524 13048 23999 47998 95996 167993 191992 335986 671972 1343944