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13030310 = 251303031
BaseRepresentation
bin110001101101…
…001110100110
3220112000020002
4301231032212
511313432220
61143141302
7215520146
oct61551646
926460202
1013030310
11739a957
124444832
132912c57
141a32926
151225c75
hexc6d3a6

13030310 has 8 divisors (see below), whose sum is σ = 23454576. Its totient is φ = 5212120.

The previous prime is 13030307. The next prime is 13030319. The reversal of 13030310 is 1303031.

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

It is a super-2 number, since 2×130303102 = 339577957392200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13030291 and 13030300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13030319) 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, 651506 + ... + 651525.

It is an arithmetic number, because the mean of its divisors is an integer number (2931822).

Almost surely, 213030310 is an apocalyptic number.

13030310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13030310 is a deficient number, since it is larger than the sum of its proper divisors (10424266).

13030310 is a wasteful number, since it uses less digits than its factorization.

13030310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1303038.

The product of its (nonzero) digits is 27, while the sum is 11.

The square root of 13030310 is about 3609.7520690485. The cubic root of 13030310 is about 235.3160678419.

Adding to 13030310 its reverse (1303031), we get a palindrome (14333341).

The spelling of 13030310 in words is "thirteen million, thirty thousand, three hundred ten".

Divisors: 1 2 5 10 1303031 2606062 6515155 13030310