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13030043 = 133832617
BaseRepresentation
bin110001101101…
…001010011011
3220111222212012
4301231022123
511313430133
61143140135
7215516315
oct61551233
926458765
1013030043
11739a734
12444464b
132912ab0
141a327b5
151225b48
hexc6d29b

13030043 has 8 divisors (see below), whose sum is σ = 14074368. Its totient is φ = 11991744.

The previous prime is 13030037. The next prime is 13030051. The reversal of 13030043 is 34003031.

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 13030043 - 26 = 13029979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13030343) 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 7 ways as a sum of consecutive naturals, for example, 3671 + ... + 6287.

It is an arithmetic number, because the mean of its divisors is an integer number (1759296).

Almost surely, 213030043 is an apocalyptic number.

13030043 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13030043 is a deficient number, since it is larger than the sum of its proper divisors (1044325).

13030043 is a wasteful number, since it uses less digits than its factorization.

13030043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3013.

The product of its (nonzero) digits is 108, while the sum is 14.

The square root of 13030043 is about 3609.7150857097. The cubic root of 13030043 is about 235.3144605684.

Adding to 13030043 its reverse (34003031), we get a palindrome (47033074).

The spelling of 13030043 in words is "thirteen million, thirty thousand, forty-three".

Divisors: 1 13 383 2617 4979 34021 1002311 13030043