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13003056 = 2432118209
BaseRepresentation
bin110001100110…
…100100110000
3220110121211200
4301212210300
511312044211
61142411200
7215344533
oct61464460
926417750
1013003056
117381430
124430b00
132903721
141a26a1a
15121cb56
hexc66930

13003056 has 60 divisors (see below), whose sum is σ = 39703560. Its totient is φ = 3939840.

The previous prime is 13003051. The next prime is 13003061. The reversal of 13003056 is 65030031.

It is an interprime number because it is at equal distance from previous prime (13003051) and next prime (13003061).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (13003051) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2521 + ... + 5688.

It is an arithmetic number, because the mean of its divisors is an integer number (661726).

Almost surely, 213003056 is an apocalyptic number.

13003056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13003056 is an abundant number, since it is smaller than the sum of its proper divisors (26700504).

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

13003056 is a wasteful number, since it uses less digits than its factorization.

13003056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8234 (or 8225 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 18.

The square root of 13003056 is about 3605.9750415110. The cubic root of 13003056 is about 235.1518921460.

Adding to 13003056 its reverse (65030031), we get a palindrome (78033087).

It can be divided in two parts, 1300 and 3056, that added together give a square (4356 = 662).

The spelling of 13003056 in words is "thirteen million, three thousand, fifty-six".

Divisors: 1 2 3 4 6 8 9 11 12 16 18 22 24 33 36 44 48 66 72 88 99 132 144 176 198 264 396 528 792 1584 8209 16418 24627 32836 49254 65672 73881 90299 98508 131344 147762 180598 197016 270897 295524 361196 394032 541794 591048 722392 812691 1083588 1182096 1444784 1625382 2167176 3250764 4334352 6501528 13003056