Search a number
-
+
1129768 = 23141221
BaseRepresentation
bin100010011110100101000
32010101202021
410103310220
5242123033
640114224
712413533
oct4236450
92111667
101129768
117018a2
12465974
13307303
14215a1a
15174b2d
hex113d28

1129768 has 8 divisors (see below), whose sum is σ = 2118330. Its totient is φ = 564880.

The previous prime is 1129763. The next prime is 1129787. The reversal of 1129768 is 8679211.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1119364 + 10404 = 1058^2 + 102^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (1129763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70603 + ... + 70618.

21129768 is an apocalyptic number.

It is an amenable number.

1129768 is a deficient number, since it is larger than the sum of its proper divisors (988562).

1129768 is a wasteful number, since it uses less digits than its factorization.

1129768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141227 (or 141223 counting only the distinct ones).

The product of its digits is 6048, while the sum is 34.

The square root of 1129768 is about 1062.9054520511. The cubic root of 1129768 is about 104.1509150227.

The spelling of 1129768 in words is "one million, one hundred twenty-nine thousand, seven hundred sixty-eight".

Divisors: 1 2 4 8 141221 282442 564884 1129768