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1040349 = 31720399
BaseRepresentation
bin11111101111111011101
31221212002110
43331333131
5231242344
634144233
711562042
oct3757735
91855073
101040349
116506a2
12422079
132a56bb
141d11c9
151583b9
hexfdfdd

1040349 has 8 divisors (see below), whose sum is σ = 1468800. Its totient is φ = 652736.

The previous prime is 1040339. The next prime is 1040353. The reversal of 1040349 is 9430401.

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

It is a cyclic number.

It is not a de Polignac number, because 1040349 - 28 = 1040093 is a prime.

It is a Curzon number.

1040349 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10149 + ... + 10250.

It is an arithmetic number, because the mean of its divisors is an integer number (183600).

21040349 is an apocalyptic number.

It is an amenable number.

1040349 is a deficient number, since it is larger than the sum of its proper divisors (428451).

1040349 is a wasteful number, since it uses less digits than its factorization.

1040349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20419.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 1040349 is about 1019.9749996936. The cubic root of 1040349 is about 101.3272722117.

The spelling of 1040349 in words is "one million, forty thousand, three hundred forty-nine".

Divisors: 1 3 17 51 20399 61197 346783 1040349