Search a number
BaseRepresentation
bin10011011100
31201002
4103130
514434
65432
73425
oct2334
91632
101244
11a31
12878
13749
1464c
1557e
hex4dc

1244 has 6 divisors (see below), whose sum is σ = 2184. Its totient is φ = 620.

The previous prime is 1237. The next prime is 1249. The reversal of 1244 is 4421.

1244 is nontrivially palindromic in base 12.

1244 is an esthetic number in base 6 and base 12, because in such bases its adjacent digits differ by 1.

It is a nude number because it is divisible by every one of its digits.

1244 is an undulating number in base 12.

1244 is a modest number, since divided by 44 gives 12 as remainder.

It is a plaindrome in base 8, base 10 and base 15.

It is a nialpdrome in base 6 and base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152 + ... + 159.

It is an arithmetic number, because the mean of its divisors is an integer number (364).

It is an amenable number.

1244 is a deficient number, since it is larger than the sum of its proper divisors (940).

1244 is a wasteful number, since it uses less digits than its factorization.

1244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315 (or 313 counting only the distinct ones).

The product of its digits is 32, while the sum is 11.

The square root of 1244 is about 35.2703841771. The cubic root of 1244 is about 10.7549103221.

Adding to 1244 its reverse (4421), we get a palindrome (5665).

It can be divided in two parts, 124 and 4, that multiplied together give a triangular number (496 = T31).

The spelling of 1244 in words is "one thousand, two hundred forty-four", and thus it is an iban number.

Divisors: 1 2 4 311 622 1244