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13034489 = 131002653
BaseRepresentation
bin110001101110…
…001111111001
3220112012221212
4301232033321
511314100424
61143212505
7215535266
oct61561771
926465855
1013034489
1173a3006
124447135
132914b20
141a3426d
15122710e
hexc6e3f9

13034489 has 4 divisors (see below), whose sum is σ = 14037156. Its totient is φ = 12031824.

The previous prime is 13034479. The next prime is 13034501. The reversal of 13034489 is 98443031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 98443031 = 683314407.

It can be written as a sum of positive squares in 2 ways, for example, as 3268864 + 9765625 = 1808^2 + 3125^2 .

It is a cyclic number.

It is not a de Polignac number, because 13034489 - 24 = 13034473 is a prime.

It is a super-2 number, since 2×130344892 = 339795806982242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13034429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 501314 + ... + 501339.

It is an arithmetic number, because the mean of its divisors is an integer number (3509289).

Almost surely, 213034489 is an apocalyptic number.

It is an amenable number.

13034489 is a deficient number, since it is larger than the sum of its proper divisors (1002667).

13034489 is a wasteful number, since it uses less digits than its factorization.

13034489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1002666.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 13034489 is about 3610.3308712637. The cubic root of 13034489 is about 235.3412215218.

The spelling of 13034489 in words is "thirteen million, thirty-four thousand, four hundred eighty-nine".

Divisors: 1 13 1002653 13034489