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10404269 = 71146539
BaseRepresentation
bin100111101100…
…000110101101
3201120120222022
4213230012231
510130414034
61010555525
7154302101
oct47540655
921516868
1010404269
115966977
123598ba5
132203895
14154b901
15da7b2e
hex9ec1ad

10404269 has 4 divisors (see below), whose sum is σ = 10550880. Its totient is φ = 10257660.

The previous prime is 10404259. The next prime is 10404281. The reversal of 10404269 is 96240401.

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.

It is a cyclic number.

It is not a de Polignac number, because 10404269 - 24 = 10404253 is a prime.

It is a super-2 number, since 2×104042692 = 216497626848722, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10404209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73199 + ... + 73340.

It is an arithmetic number, because the mean of its divisors is an integer number (2637720).

Almost surely, 210404269 is an apocalyptic number.

It is an amenable number.

10404269 is a deficient number, since it is larger than the sum of its proper divisors (146611).

10404269 is an equidigital number, since it uses as much as digits as its factorization.

10404269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146610.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 10404269 is about 3225.5649117635. The cubic root of 10404269 is about 218.3084389126.

The spelling of 10404269 in words is "ten million, four hundred four thousand, two hundred sixty-nine".

Divisors: 1 71 146539 10404269