Search a number
-
+
1333872 = 243259157
BaseRepresentation
bin101000101101001110000
32111202201200
411011221300
5320140442
644331200
714223561
oct5055160
92452650
101333872
11831181
12543b00
13379197
1426a168
151b534c
hex145a70

1333872 has 60 divisors (see below), whose sum is σ = 3820440. Its totient is φ = 434304.

The previous prime is 1333867. The next prime is 1333883. The reversal of 1333872 is 2783331.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8418 + ... + 8574.

It is an arithmetic number, because the mean of its divisors is an integer number (63674).

21333872 is an apocalyptic number.

1333872 is a gapful number since it is divisible by the number (12) 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 1333872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1910220).

1333872 is an abundant number, since it is smaller than the sum of its proper divisors (2486568).

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

1333872 is a wasteful number, since it uses less digits than its factorization.

1333872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230 (or 221 counting only the distinct ones).

The product of its digits is 3024, while the sum is 27.

The square root of 1333872 is about 1154.9337643346. The cubic root of 1333872 is about 110.0790616188.

It can be divided in two parts, 133 and 3872, that added together give a triangular number (4005 = T89).

The spelling of 1333872 in words is "one million, three hundred thirty-three thousand, eight hundred seventy-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 59 72 118 144 157 177 236 314 354 471 472 531 628 708 942 944 1062 1256 1413 1416 1884 2124 2512 2826 2832 3768 4248 5652 7536 8496 9263 11304 18526 22608 27789 37052 55578 74104 83367 111156 148208 166734 222312 333468 444624 666936 1333872