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13946080 = 255101863
BaseRepresentation
bin110101001100…
…110011100000
3222020112102111
4311030303200
512032233310
61214525104
7226353061
oct65146340
928215374
1013946080
117965995
124806794
132b73a25
141bd0568
15135728a
hexd4cce0

13946080 has 48 divisors (see below), whose sum is σ = 33312384. Its totient is φ = 5516800.

The previous prime is 13946047. The next prime is 13946081. The reversal of 13946080 is 8064931.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13946081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15729 + ... + 16591.

It is an arithmetic number, because the mean of its divisors is an integer number (694008).

Almost surely, 213946080 is an apocalyptic number.

13946080 is a gapful number since it is divisible by the number (10) 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 13946080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16656192).

13946080 is an abundant number, since it is smaller than the sum of its proper divisors (19366304).

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

13946080 is a wasteful number, since it uses less digits than its factorization.

13946080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 979 (or 971 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 13946080 is about 3734.4450725643. The cubic root of 13946080 is about 240.7044119745.

The spelling of 13946080 in words is "thirteen million, nine hundred forty-six thousand, eighty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 101 160 202 404 505 808 863 1010 1616 1726 2020 3232 3452 4040 4315 6904 8080 8630 13808 16160 17260 27616 34520 69040 87163 138080 174326 348652 435815 697304 871630 1394608 1743260 2789216 3486520 6973040 13946080