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13105344 = 26373199
BaseRepresentation
bin110001111111…
…100011000000
3220122211011010
4301333203000
511323332334
61144520520
7216252000
oct61774300
926584133
1013105344
11744126a
124480140
13293b155
141a52000
15123d0e9
hexc7f8c0

13105344 has 112 divisors (see below), whose sum is σ = 40640000. Its totient is φ = 3725568.

The previous prime is 13105333. The next prime is 13105357. The reversal of 13105344 is 44350131.

13105344 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 13105344.

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, 65757 + ... + 65955.

Almost surely, 213105344 is an apocalyptic number.

13105344 is a gapful number since it is divisible by the number (14) 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 13105344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20320000).

13105344 is an abundant number, since it is smaller than the sum of its proper divisors (27534656).

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

13105344 is an equidigital number, since it uses as much as digits as its factorization.

13105344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235 (or 211 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 13105344 is about 3620.1303843923. The cubic root of 13105344 is about 235.7668865425.

Adding to 13105344 its reverse (44350131), we get a palindrome (57455475).

The spelling of 13105344 in words is "thirteen million, one hundred five thousand, three hundred forty-four".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 49 56 64 84 96 98 112 147 168 192 196 199 224 294 336 343 392 398 448 588 597 672 686 784 796 1029 1176 1194 1344 1372 1393 1568 1592 2058 2352 2388 2744 2786 3136 3184 4116 4179 4704 4776 5488 5572 6368 8232 8358 9408 9552 9751 10976 11144 12736 16464 16716 19104 19502 21952 22288 29253 32928 33432 38208 39004 44576 58506 65856 66864 68257 78008 89152 117012 133728 136514 156016 204771 234024 267456 273028 312032 409542 468048 546056 624064 819084 936096 1092112 1638168 1872192 2184224 3276336 4368448 6552672 13105344