Search a number
-
+
1214250 = 23531619
BaseRepresentation
bin100101000011100101010
32021200122020
410220130222
5302324000
642005310
713215042
oct4503452
92250566
101214250
1175a314
124a6836
133368bb
14238722
1518eba0
hex12872a

1214250 has 32 divisors (see below), whose sum is σ = 3032640. Its totient is φ = 323600.

The previous prime is 1214237. The next prime is 1214261. The reversal of 1214250 is 524121.

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

It is a plaindrome in base 13.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60 + ... + 1559.

It is an arithmetic number, because the mean of its divisors is an integer number (94770).

21214250 is an apocalyptic number.

1214250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1214250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1516320).

1214250 is an abundant number, since it is smaller than the sum of its proper divisors (1818390).

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

1214250 is a wasteful number, since it uses less digits than its factorization.

1214250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1639 (or 1629 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 1214250 is about 1101.9301248264. The cubic root of 1214250 is about 106.6848384839.

Adding to 1214250 its reverse (524121), we get a palindrome (1738371).

It can be divided in two parts, 121 and 4250, that added together give a triangular number (4371 = T93).

The spelling of 1214250 in words is "one million, two hundred fourteen thousand, two hundred fifty".

Divisors: 1 2 3 5 6 10 15 25 30 50 75 125 150 250 375 750 1619 3238 4857 8095 9714 16190 24285 40475 48570 80950 121425 202375 242850 404750 607125 1214250