Search a number
-
+
1097449 = 1796131
BaseRepresentation
bin100001011111011101001
32001202102021
410023323221
5240104244
635304441
712220363
oct4137351
92052367
101097449
1168a591
1244b121
132c56a2
14207d33
1516a284
hex10bee9

1097449 has 4 divisors (see below), whose sum is σ = 1103760. Its totient is φ = 1091140.

The previous prime is 1097443. The next prime is 1097461. The reversal of 1097449 is 9447901.

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: 9447901 = 31304771.

It is a cyclic number.

It is not a de Polignac number, because 1097449 - 23 = 1097441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1097441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2887 + ... + 3244.

It is an arithmetic number, because the mean of its divisors is an integer number (275940).

21097449 is an apocalyptic number.

It is an amenable number.

1097449 is a deficient number, since it is larger than the sum of its proper divisors (6311).

1097449 is an equidigital number, since it uses as much as digits as its factorization.

1097449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6310.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 1097449 is about 1047.5920007331. The cubic root of 1097449 is about 103.1481513984.

The spelling of 1097449 in words is "one million, ninety-seven thousand, four hundred forty-nine".

Divisors: 1 179 6131 1097449