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13842486 = 2327611801
BaseRepresentation
bin110100110011…
…100000110110
3222001021022200
4310303200312
512020424421
61212405330
7225442050
oct64634066
928037280
1013842486
1178a5079
124776846
132b38828
141ba48d0
151336726
hexd33836

13842486 has 48 divisors (see below), whose sum is σ = 34857888. Its totient is φ = 3888000.

The previous prime is 13842473. The next prime is 13842497. The reversal of 13842486 is 68424831.

13842486 is a `hidden beast` number, since 138 + 42 + 486 = 666.

13842486 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×138424862 = 383228837320392, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13842486.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6786 + ... + 8586.

It is an arithmetic number, because the mean of its divisors is an integer number (726206).

Almost surely, 213842486 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13842486, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17428944).

13842486 is an abundant number, since it is smaller than the sum of its proper divisors (21015402).

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

13842486 is a wasteful number, since it uses less digits than its factorization.

13842486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1877 (or 1874 counting only the distinct ones).

The product of its digits is 36864, while the sum is 36.

The square root of 13842486 is about 3720.5491530149. The cubic root of 13842486 is about 240.1069315165.

It can be divided in two parts, 138 and 42486, that added together give a palindrome (42624).

The spelling of 13842486 in words is "thirteen million, eight hundred forty-two thousand, four hundred eighty-six".

Divisors: 1 2 3 6 7 9 14 18 21 42 61 63 122 126 183 366 427 549 854 1098 1281 1801 2562 3602 3843 5403 7686 10806 12607 16209 25214 32418 37821 75642 109861 113463 219722 226926 329583 659166 769027 988749 1538054 1977498 2307081 4614162 6921243 13842486