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13982612 = 2273189181
BaseRepresentation
bin110101010101…
…101110010100
3222022101112112
4311111232110
512034420422
61215410152
7226564430
oct65255624
928271475
1013982612
117990386
124823958
132b87547
141bdd9c0
151362ee2
hexd55b94

13982612 has 48 divisors (see below), whose sum is σ = 29352960. Its totient is φ = 5702400.

The previous prime is 13982593. The next prime is 13982621. The reversal of 13982612 is 21628931.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77162 + ... + 77342.

It is an arithmetic number, because the mean of its divisors is an integer number (611520).

Almost surely, 213982612 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13982612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14676480).

13982612 is an abundant number, since it is smaller than the sum of its proper divisors (15370348).

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

13982612 is a wasteful number, since it uses less digits than its factorization.

13982612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312 (or 310 counting only the distinct ones).

The product of its digits is 5184, while the sum is 32.

The square root of 13982612 is about 3739.3330956201. Note that the first 3 decimals coincide. The cubic root of 13982612 is about 240.9144051904.

The spelling of 13982612 in words is "thirteen million, nine hundred eighty-two thousand, six hundred twelve".

Divisors: 1 2 4 7 14 28 31 62 89 124 178 181 217 356 362 434 623 724 868 1246 1267 2492 2534 2759 5068 5518 5611 11036 11222 16109 19313 22444 32218 38626 39277 64436 77252 78554 112763 157108 225526 451052 499379 998758 1997516 3495653 6991306 13982612