Search a number
-
+
1112540 = 2251113389
BaseRepresentation
bin100001111100111011100
32002112010012
410033213130
5241100130
635502352
712312362
oct4174734
92075105
101112540
1169a960
124579b8
132cc510
1420d632
1516e995
hex10f9dc

1112540 has 48 divisors (see below), whose sum is σ = 2751840. Its totient is φ = 372480.

The previous prime is 1112519. The next prime is 1112543. The reversal of 1112540 is 452111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2666 + ... + 3054.

It is an arithmetic number, because the mean of its divisors is an integer number (57330).

21112540 is an apocalyptic number.

1112540 is a gapful number since it is divisible by the number (10) 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 1112540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1375920).

1112540 is an abundant number, since it is smaller than the sum of its proper divisors (1639300).

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

1112540 is a wasteful number, since it uses less digits than its factorization.

1112540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422 (or 420 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 1112540 is about 1054.7701171345. The cubic root of 1112540 is about 103.6187967464.

Adding to 1112540 its reverse (452111), we get a palindrome (1564651).

The spelling of 1112540 in words is "one million, one hundred twelve thousand, five hundred forty".

Divisors: 1 2 4 5 10 11 13 20 22 26 44 52 55 65 110 130 143 220 260 286 389 572 715 778 1430 1556 1945 2860 3890 4279 5057 7780 8558 10114 17116 20228 21395 25285 42790 50570 55627 85580 101140 111254 222508 278135 556270 1112540