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13430899 = 27748487
BaseRepresentation
bin110011001111…
…000001110011
3221021100201201
4303033001303
511414242044
61155512031
7222106066
oct63170163
927240651
1013430899
117643919
1245b8617
132a233a1
141ad88dd
1512a47d4
hexccf073

13430899 has 4 divisors (see below), whose sum is σ = 13479664. Its totient is φ = 13382136.

The previous prime is 13430881. The next prime is 13430917. The reversal of 13430899 is 99803431.

13430899 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is an interprime number because it is at equal distance from previous prime (13430881) and next prime (13430917).

It is a cyclic number.

It is not a de Polignac number, because 13430899 - 27 = 13430771 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (13430839) 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, 23967 + ... + 24520.

It is an arithmetic number, because the mean of its divisors is an integer number (3369916).

Almost surely, 213430899 is an apocalyptic number.

13430899 is a deficient number, since it is larger than the sum of its proper divisors (48765).

13430899 is an equidigital number, since it uses as much as digits as its factorization.

13430899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48764.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 13430899 is about 3664.8190951260. The cubic root of 13430899 is about 237.7031996892.

The spelling of 13430899 in words is "thirteen million, four hundred thirty thousand, eight hundred ninety-nine".

Divisors: 1 277 48487 13430899