Search a number
-
+
1349291 = 4093299
BaseRepresentation
bin101001001011010101011
32112112212202
411021122223
5321134131
644530415
714316536
oct5113253
92475782
101349291
11841819
12550a0b
133831c8
14271a1d
151b9bcb
hex1496ab

1349291 has 4 divisors (see below), whose sum is σ = 1353000. Its totient is φ = 1345584.

The previous prime is 1349287. The next prime is 1349317. The reversal of 1349291 is 1929431.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1349291 - 22 = 1349287 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1349251) 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, 1241 + ... + 2058.

It is an arithmetic number, because the mean of its divisors is an integer number (338250).

21349291 is an apocalyptic number.

1349291 is a deficient number, since it is larger than the sum of its proper divisors (3709).

1349291 is an equidigital number, since it uses as much as digits as its factorization.

1349291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3708.

The product of its digits is 1944, while the sum is 29.

The square root of 1349291 is about 1161.5898587712. The cubic root of 1349291 is about 110.5015935835.

The spelling of 1349291 in words is "one million, three hundred forty-nine thousand, two hundred ninety-one".

Divisors: 1 409 3299 1349291