Search a number
-
+
9668449 = 71381207
BaseRepresentation
bin100100111000…
…011101100001
3200012012121201
4210320131201
54433342244
6543121201
7145115620
oct44703541
920165551
109668449
11550405a
1232a3201
13200699b
1413d96b7
15caead4
hex938761

9668449 has 4 divisors (see below), whose sum is σ = 11049664. Its totient is φ = 8287236.

The previous prime is 9668431. The next prime is 9668453. The reversal of 9668449 is 9448669.

9668449 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9448669 = 23514019.

It is a cyclic number.

It is not a de Polignac number, because 9668449 - 29 = 9667937 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9668399 and 9668408.

It is not an unprimeable number, because it can be changed into a prime (9668429) 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, 690597 + ... + 690610.

It is an arithmetic number, because the mean of its divisors is an integer number (2762416).

Almost surely, 29668449 is an apocalyptic number.

It is an amenable number.

9668449 is a deficient number, since it is larger than the sum of its proper divisors (1381215).

9668449 is a wasteful number, since it uses less digits than its factorization.

9668449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1381214.

The product of its digits is 373248, while the sum is 46.

The square root of 9668449 is about 3109.4129671049. The cubic root of 9668449 is about 213.0356424591.

The spelling of 9668449 in words is "nine million, six hundred sixty-eight thousand, four hundred forty-nine".

Divisors: 1 7 1381207 9668449