Search a number
-
+
1128938 = 21633463
BaseRepresentation
bin100010011100111101010
32010100121112
410103213222
5242111223
640110322
712411236
oct4234752
92110545
101128938
11701208
124653a2
13306b15
142155c6
15174778
hex1139ea

1128938 has 8 divisors (see below), whose sum is σ = 1704288. Its totient is φ = 560844.

The previous prime is 1128937. The next prime is 1128943. The reversal of 1128938 is 8398211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1128931) 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 3 ways as a sum of consecutive naturals, for example, 1406 + ... + 2057.

It is an arithmetic number, because the mean of its divisors is an integer number (213036).

21128938 is an apocalyptic number.

1128938 is a deficient number, since it is larger than the sum of its proper divisors (575350).

1128938 is a wasteful number, since it uses less digits than its factorization.

1128938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3628.

The product of its digits is 3456, while the sum is 32.

The square root of 1128938 is about 1062.5149410714. The cubic root of 1128938 is about 104.1254034611.

The spelling of 1128938 in words is "one million, one hundred twenty-eight thousand, nine hundred thirty-eight".

Divisors: 1 2 163 326 3463 6926 564469 1128938