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1141228 = 221137701
BaseRepresentation
bin100010110100111101100
32010222110201
410112213230
5243004403
640243244
712462124
oct4264754
92128421
101141228
1170a470
12470524
1330c5aa
14219c84
1517821d
hex1169ec

1141228 has 24 divisors (see below), whose sum is σ = 2240784. Its totient is φ = 504000.

The previous prime is 1141223. The next prime is 1141229. The reversal of 1141228 is 8221411.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1141223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1278 + ... + 1978.

It is an arithmetic number, because the mean of its divisors is an integer number (93366).

21141228 is an apocalyptic number.

It is an amenable number.

1141228 is a deficient number, since it is larger than the sum of its proper divisors (1099556).

1141228 is a wasteful number, since it uses less digits than its factorization.

1141228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 753 (or 751 counting only the distinct ones).

The product of its digits is 128, while the sum is 19.

The square root of 1141228 is about 1068.2827341112. The cubic root of 1141228 is about 104.5018886589.

Adding to 1141228 its reverse (8221411), we get a palindrome (9362639).

It can be divided in two parts, 1141 and 228, that added together give a square (1369 = 372).

The spelling of 1141228 in words is "one million, one hundred forty-one thousand, two hundred twenty-eight".

Divisors: 1 2 4 11 22 37 44 74 148 407 701 814 1402 1628 2804 7711 15422 25937 30844 51874 103748 285307 570614 1141228