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13062808 = 2311791879
BaseRepresentation
bin110001110101…
…001010011000
3220120122210201
4301311022120
511321002213
61143551544
7216013663
oct61651230
926518721
1013062808
117412310
12445b5b4
132924995
141a406da
1512306dd
hexc75298

13062808 has 32 divisors (see below), whose sum is σ = 27072000. Its totient is φ = 5859360.

The previous prime is 13062787. The next prime is 13062821. The reversal of 13062808 is 80826031.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6013 + ... + 7891.

It is an arithmetic number, because the mean of its divisors is an integer number (846000).

Almost surely, 213062808 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 13062808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13536000).

13062808 is an abundant number, since it is smaller than the sum of its proper divisors (14009192).

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

13062808 is a wasteful number, since it uses less digits than its factorization.

13062808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1975 (or 1971 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 13062808 is about 3614.2506830600. The cubic root of 13062808 is about 235.5115339726.

Adding to 13062808 its reverse (80826031), we get a palindrome (93888839).

It can be divided in two parts, 1306 and 2808, that added together give a palindrome (4114).

The spelling of 13062808 in words is "thirteen million, sixty-two thousand, eight hundred eight".

Divisors: 1 2 4 8 11 22 44 79 88 158 316 632 869 1738 1879 3476 3758 6952 7516 15032 20669 41338 82676 148441 165352 296882 593764 1187528 1632851 3265702 6531404 13062808