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13002768 = 243479127
BaseRepresentation
bin110001100110…
…100000010000
3220110121110000
4301212200100
511312042033
61142410000
7215343642
oct61464020
926417400
1013002768
117381199
124430900
13290355c
141a26892
15121ca13
hexc66810

13002768 has 100 divisors (see below), whose sum is σ = 38410240. Its totient is φ = 4245696.

The previous prime is 13002767. The next prime is 13002779. The reversal of 13002768 is 86720031.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13002767) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 102321 + ... + 102447.

Almost surely, 213002768 is an apocalyptic number.

13002768 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13002768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19205120).

13002768 is an abundant number, since it is smaller than the sum of its proper divisors (25407472).

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

13002768 is a wasteful number, since it uses less digits than its factorization.

13002768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226 (or 211 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 13002768 is about 3605.9351075692. The cubic root of 13002768 is about 235.1501560350.

Adding to 13002768 its reverse (86720031), we get a palindrome (99722799).

The spelling of 13002768 in words is "thirteen million, two thousand, seven hundred sixty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 36 48 54 72 79 81 108 127 144 158 162 216 237 254 316 324 381 432 474 508 632 648 711 762 948 1016 1143 1264 1296 1422 1524 1896 2032 2133 2286 2844 3048 3429 3792 4266 4572 5688 6096 6399 6858 8532 9144 10033 10287 11376 12798 13716 17064 18288 20066 20574 25596 27432 30099 34128 40132 41148 51192 54864 60198 80264 82296 90297 102384 120396 160528 164592 180594 240792 270891 361188 481584 541782 722376 812673 1083564 1444752 1625346 2167128 3250692 4334256 6501384 13002768