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13200044 = 22111347491
BaseRepresentation
bin110010010110…
…101010101100
3220211122001112
4302112222230
511334400134
61150531152
7220125044
oct62265254
926748045
1013200044
1174a6430
124506ab8
1329722a0
141a78724
15125b1ce
hexc96aac

13200044 has 48 divisors (see below), whose sum is σ = 27772416. Its totient is φ = 5409600.

The previous prime is 13200001. The next prime is 13200101. The reversal of 13200044 is 44000231.

13200044 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 26639 + ... + 27129.

It is an arithmetic number, because the mean of its divisors is an integer number (578592).

Almost surely, 213200044 is an apocalyptic number.

It is an amenable number.

13200044 is an abundant number, since it is smaller than the sum of its proper divisors (14572372).

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

13200044 is a wasteful number, since it uses less digits than its factorization.

13200044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566 (or 564 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 13200044 is about 3633.1864802127. The cubic root of 13200044 is about 236.3334126856. Note that the first 3 decimals are identical.

Adding to 13200044 its reverse (44000231), we get a palindrome (57200275).

The spelling of 13200044 in words is "thirteen million, two hundred thousand, forty-four".

Divisors: 1 2 4 11 13 22 26 44 47 52 94 143 188 286 491 517 572 611 982 1034 1222 1964 2068 2444 5401 6383 6721 10802 12766 13442 21604 23077 25532 26884 46154 70213 92308 140426 253847 280852 300001 507694 600002 1015388 1200004 3300011 6600022 13200044