Search a number
-
+
1096945 = 5219389
BaseRepresentation
bin100001011110011110001
32001201201121
410023303301
5240100240
635302241
712216043
oct4136361
92051647
101096945
1168a173
1244a981
132c53a5
14207a93
1516a04a
hex10bcf1

1096945 has 4 divisors (see below), whose sum is σ = 1316340. Its totient is φ = 877552.

The previous prime is 1096919. The next prime is 1096951. The reversal of 1096945 is 5496901.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5496901 = 37314737.

It can be written as a sum of positive squares in 2 ways, for example, as 531441 + 565504 = 729^2 + 752^2 .

It is a cyclic number.

It is not a de Polignac number, because 1096945 - 27 = 1096817 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 1096945.

It is an unprimeable number.

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, 109690 + ... + 109699.

It is an arithmetic number, because the mean of its divisors is an integer number (329085).

21096945 is an apocalyptic number.

It is an amenable number.

1096945 is a deficient number, since it is larger than the sum of its proper divisors (219395).

1096945 is an equidigital number, since it uses as much as digits as its factorization.

1096945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219394.

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 1096945 is about 1047.3514214436. The cubic root of 1096945 is about 103.1323588260.

The spelling of 1096945 in words is "one million, ninety-six thousand, nine hundred forty-five".

Divisors: 1 5 219389 1096945