Search a number
-
+
1241340 = 2235171217
BaseRepresentation
bin100101111000011111100
32100001210120
410233003330
5304210330
642334540
713360032
oct4570374
92301716
101241340
11778701
124ba450
13346029
14244552
15197c10
hex12f0fc

1241340 has 48 divisors (see below), whose sum is σ = 3683232. Its totient is φ = 311296.

The previous prime is 1241321. The next prime is 1241341. The reversal of 1241340 is 431421.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1241341) 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, 412 + ... + 1628.

It is an arithmetic number, because the mean of its divisors is an integer number (76734).

21241340 is an apocalyptic number.

1241340 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 1241340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1841616).

1241340 is an abundant number, since it is smaller than the sum of its proper divisors (2441892).

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

1241340 is a wasteful number, since it uses less digits than its factorization.

1241340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1246 (or 1244 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 1241340 is about 1114.1543878655. The cubic root of 1241340 is about 107.4723924058.

Adding to 1241340 its reverse (431421), we get a palindrome (1672761).

The spelling of 1241340 in words is "one million, two hundred forty-one thousand, three hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 17 20 30 34 51 60 68 85 102 170 204 255 340 510 1020 1217 2434 3651 4868 6085 7302 12170 14604 18255 20689 24340 36510 41378 62067 73020 82756 103445 124134 206890 248268 310335 413780 620670 1241340