Search a number
-
+
1343872 = 2710499
BaseRepresentation
bin101001000000110000000
32112021110001
411020012000
5321000442
644445344
714264665
oct5100600
92467401
101343872
11838742
12549854
133808ba
1426da6c
151b82b7
hex148180

1343872 has 16 divisors (see below), whose sum is σ = 2677500. Its totient is φ = 671872.

The previous prime is 1343863. The next prime is 1343873. The reversal of 1343872 is 2783431.

It is a tau number, because it is divible by the number of its divisors (16).

It is a self number, because there is not a number n which added to its sum of digits gives 1343872.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1343873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5122 + ... + 5377.

21343872 is an apocalyptic number.

It is an amenable number.

1343872 is a deficient number, since it is larger than the sum of its proper divisors (1333628).

1343872 is an equidigital number, since it uses as much as digits as its factorization.

1343872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10513 (or 10501 counting only the distinct ones).

The product of its digits is 4032, while the sum is 28.

The square root of 1343872 is about 1159.2549331359. The cubic root of 1343872 is about 110.3534635482.

The spelling of 1343872 in words is "one million, three hundred forty-three thousand, eight hundred seventy-two".

Divisors: 1 2 4 8 16 32 64 128 10499 20998 41996 83992 167984 335968 671936 1343872