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13033244 = 2274111353
BaseRepresentation
bin110001101101…
…111100011100
3220112011020202
4301231330130
511314030434
61143203032
7215531540
oct61557434
926464222
1013033244
1173a2084
124446478
1329143a3
141a33a20
151226a7e
hexc6df1c

13033244 has 24 divisors (see below), whose sum is σ = 26704608. Its totient is φ = 5448960.

The previous prime is 13033193. The next prime is 13033261. The reversal of 13033244 is 44233031.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4529 + ... + 6824.

It is an arithmetic number, because the mean of its divisors is an integer number (1112692).

Almost surely, 213033244 is an apocalyptic number.

13033244 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13033244 is an abundant number, since it is smaller than the sum of its proper divisors (13671364).

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

13033244 is a wasteful number, since it uses less digits than its factorization.

13033244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11405 (or 11403 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 13033244 is about 3610.1584452763. The cubic root of 13033244 is about 235.3337283460. Note that the first 3 decimals are identical.

Adding to 13033244 its reverse (44233031), we get a palindrome (57266275).

The spelling of 13033244 in words is "thirteen million, thirty-three thousand, two hundred forty-four".

Divisors: 1 2 4 7 14 28 41 82 164 287 574 1148 11353 22706 45412 79471 158942 317884 465473 930946 1861892 3258311 6516622 13033244