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12410809 = 131211449
BaseRepresentation
bin101111010101…
…111110111001
3212100112102121
4233111332321
511134121214
61122001241
7210330055
oct57257671
925315377
1012410809
117007474
1241a6221
132756c98
141910c65
151152424
hexbd5fb9

12410809 has 8 divisors (see below), whose sum is σ = 12592800. Its totient is φ = 12230400.

The previous prime is 12410807. The next prime is 12410813. The reversal of 12410809 is 90801421.

It is a happy number.

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 12410809 - 21 = 12410807 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12410807) 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, 27417 + ... + 27865.

It is an arithmetic number, because the mean of its divisors is an integer number (1574100).

Almost surely, 212410809 is an apocalyptic number.

It is an amenable number.

12410809 is a deficient number, since it is larger than the sum of its proper divisors (181991).

12410809 is a wasteful number, since it uses less digits than its factorization.

12410809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 791.

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 12410809 is about 3522.8978128808. The cubic root of 12410809 is about 231.5261396654.

The spelling of 12410809 in words is "twelve million, four hundred ten thousand, eight hundred nine".

Divisors: 1 131 211 449 27641 58819 94739 12410809