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13196844 = 223513577
BaseRepresentation
bin110010010101…
…111000101100
3220211110200000
4302111320230
511334244334
61150504300
7220112523
oct62257054
926743600
1013196844
1174a3a91
124505090
1329709ab
141a774ba
15125a299
hexc95e2c

13196844 has 36 divisors (see below), whose sum is σ = 34596744. Its totient is φ = 4398624.

The previous prime is 13196839. The next prime is 13196873. The reversal of 13196844 is 44869131.

13196844 is digitally balanced in base 2 and base 4, because in such bases 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 (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 13196799 and 13196808.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5817 + ... + 7760.

Almost surely, 213196844 is an apocalyptic number.

It is an amenable number.

13196844 is an abundant number, since it is smaller than the sum of its proper divisors (21399900).

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

13196844 is a wasteful number, since it uses less digits than its factorization.

13196844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13596 (or 13582 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 13196844 is about 3632.7460687474. The cubic root of 13196844 is about 236.3143135563.

The spelling of 13196844 in words is "thirteen million, one hundred ninety-six thousand, eight hundred forty-four".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 81 108 162 243 324 486 972 13577 27154 40731 54308 81462 122193 162924 244386 366579 488772 733158 1099737 1466316 2199474 3299211 4398948 6598422 13196844