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13055850 = 2335219509
BaseRepresentation
bin110001110011…
…011101101010
3220120022021000
4301303131222
511320241400
61143455430
7215654463
oct61633552
926508230
1013055850
117408065
124457576
132921772
141a3bd6a
15122d600
hexc7376a

13055850 has 96 divisors (see below), whose sum is σ = 37944000. Its totient is φ = 3291840.

The previous prime is 13055843. The next prime is 13055851. The reversal of 13055850 is 5855031.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (13055851) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 25396 + ... + 25904.

It is an arithmetic number, because the mean of its divisors is an integer number (395250).

Almost surely, 213055850 is an apocalyptic number.

13055850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13055850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18972000).

13055850 is an abundant number, since it is smaller than the sum of its proper divisors (24888150).

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

13055850 is a wasteful number, since it uses less digits than its factorization.

13055850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549 (or 538 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The square root of 13055850 is about 3613.2879763451. The cubic root of 13055850 is about 235.4697109002.

The spelling of 13055850 in words is "thirteen million, fifty-five thousand, eight hundred fifty".

Divisors: 1 2 3 5 6 9 10 15 18 19 25 27 30 38 45 50 54 57 75 90 95 114 135 150 171 190 225 270 285 342 450 475 509 513 570 675 855 950 1018 1026 1350 1425 1527 1710 2545 2565 2850 3054 4275 4581 5090 5130 7635 8550 9162 9671 12725 12825 13743 15270 19342 22905 25450 25650 27486 29013 38175 45810 48355 58026 68715 76350 87039 96710 114525 137430 145065 174078 229050 241775 261117 290130 343575 435195 483550 522234 687150 725325 870390 1305585 1450650 2175975 2611170 4351950 6527925 13055850