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13030908 = 22311175807
BaseRepresentation
bin110001101101…
…010111111100
3220112001001020
4301231113330
511313442113
61143144140
7215521662
oct61552774
926461036
1013030908
1173a0350
124445050
1329132c7
141a32c32
151226023
hexc6d5fc

13030908 has 48 divisors (see below), whose sum is σ = 35126784. Its totient is φ = 3715840.

The previous prime is 13030877. The next prime is 13030921. The reversal of 13030908 is 80903031.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 660 + ... + 5147.

It is an arithmetic number, because the mean of its divisors is an integer number (731808).

Almost surely, 213030908 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13030908, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17563392).

13030908 is an abundant number, since it is smaller than the sum of its proper divisors (22095876).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13030908 is a wasteful number, since it uses less digits than its factorization.

13030908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5842 (or 5840 counting only the distinct ones).

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

The square root of 13030908 is about 3609.8348992717. The cubic root of 13030908 is about 235.3196675735.

Adding to 13030908 its reverse (80903031), we get a palindrome (93933939).

The spelling of 13030908 in words is "thirteen million, thirty thousand, nine hundred eight".

Divisors: 1 2 3 4 6 11 12 17 22 33 34 44 51 66 68 102 132 187 204 374 561 748 1122 2244 5807 11614 17421 23228 34842 63877 69684 98719 127754 191631 197438 255508 296157 383262 394876 592314 766524 1085909 1184628 2171818 3257727 4343636 6515454 13030908