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13030089 = 34343363
BaseRepresentation
bin110001101101…
…001011001001
3220111222220220
4301231023021
511313430324
61143140253
7215516412
oct61551311
926458826
1013030089
11739a776
124444689
132912b17
141a32809
151225b79
hexc6d2c9

13030089 has 4 divisors (see below), whose sum is σ = 17373456. Its totient is φ = 8686724.

The previous prime is 13030081. The next prime is 13030097. The reversal of 13030089 is 98003031.

13030089 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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 an interprime number because it is at equal distance from previous prime (13030081) and next prime (13030097).

It is a cyclic number.

It is not a de Polignac number, because 13030089 - 23 = 13030081 is a prime.

It is a plaindrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (13030081) 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, 2171679 + ... + 2171684.

It is an arithmetic number, because the mean of its divisors is an integer number (4343364).

Almost surely, 213030089 is an apocalyptic number.

It is an amenable number.

13030089 is a deficient number, since it is larger than the sum of its proper divisors (4343367).

13030089 is an equidigital number, since it uses as much as digits as its factorization.

13030089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4343366.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 13030089 is about 3609.7214573981. The cubic root of 13030089 is about 235.3147374785.

The spelling of 13030089 in words is "thirteen million, thirty thousand, eighty-nine".

Divisors: 1 3 4343363 13030089