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13860811 = 29598101
BaseRepresentation
bin110100110111…
…111111001011
3222002012110101
4310313333023
512022021221
61213030231
7225546346
oct64677713
928065411
1013860811
117907918
124785377
132b43c83
141bab45d
15133bd91
hexd37fcb

13860811 has 8 divisors (see below), whose sum is σ = 14583600. Its totient is φ = 13154400.

The previous prime is 13860809. The next prime is 13860827. The reversal of 13860811 is 11806831.

It is a happy number.

13860811 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 13860811 - 21 = 13860809 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13860811.

It is not an unprimeable number, because it can be changed into a prime (13860841) 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, 2340 + ... + 5761.

It is an arithmetic number, because the mean of its divisors is an integer number (1822950).

Almost surely, 213860811 is an apocalyptic number.

13860811 is a deficient number, since it is larger than the sum of its proper divisors (722789).

13860811 is an equidigital number, since it uses as much as digits as its factorization.

13860811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8189.

The product of its (nonzero) digits is 1152, while the sum is 28.

The square root of 13860811 is about 3723.0110126079. The cubic root of 13860811 is about 240.2128378148.

The spelling of 13860811 in words is "thirteen million, eight hundred sixty thousand, eight hundred eleven".

Divisors: 1 29 59 1711 8101 234929 477959 13860811