Search a number
-
+
1066744 = 23743443
BaseRepresentation
bin100000100011011111000
32000012022001
410010123320
5233113434
634510344
712032020
oct4043370
92005261
101066744
11669508
124353b4
132b4713
141daa80
15161114
hex1046f8

1066744 has 32 divisors (see below), whose sum is σ = 2344320. Its totient is φ = 445536.

The previous prime is 1066729. The next prime is 1066753. The reversal of 1066744 is 4476601.

It is a super-2 number, since 2×10667442 = 2275885523072, which contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2187 + ... + 2629.

It is an arithmetic number, because the mean of its divisors is an integer number (73260).

21066744 is an apocalyptic number.

1066744 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 1066744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1172160).

1066744 is an abundant number, since it is smaller than the sum of its proper divisors (1277576).

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

1066744 is a wasteful number, since it uses less digits than its factorization.

1066744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499 (or 495 counting only the distinct ones).

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

The square root of 1066744 is about 1032.8329971491. The cubic root of 1066744 is about 102.1770601454.

The spelling of 1066744 in words is "one million, sixty-six thousand, seven hundred forty-four".

Divisors: 1 2 4 7 8 14 28 43 56 86 172 301 344 443 602 886 1204 1772 2408 3101 3544 6202 12404 19049 24808 38098 76196 133343 152392 266686 533372 1066744