Search a number
-
+
1944371 = 111313597
BaseRepresentation
bin111011010101100110011
310122210011202
413122230303
5444204441
6105401415
722345502
oct7325463
93583152
101944371
111108920
1279926b
13531020
14388839
1528619b
hex1dab33

1944371 has 8 divisors (see below), whose sum is σ = 2284464. Its totient is φ = 1631520.

The previous prime is 1944361. The next prime is 1944373. The reversal of 1944371 is 1734491.

1944371 = 2042 + 2052 + ... + 2422.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2k-1944371 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1944373) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 6656 + ... + 6941.

It is an arithmetic number, because the mean of its divisors is an integer number (285558).

21944371 is an apocalyptic number.

1944371 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1944371 is a deficient number, since it is larger than the sum of its proper divisors (340093).

1944371 is a wasteful number, since it uses less digits than its factorization.

1944371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13621.

The product of its digits is 3024, while the sum is 29.

The square root of 1944371 is about 1394.4070424378. The cubic root of 1944371 is about 124.8129682927.

The spelling of 1944371 in words is "one million, nine hundred forty-four thousand, three hundred seventy-one".

Divisors: 1 11 13 143 13597 149567 176761 1944371