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13628316 = 22313199439
BaseRepresentation
bin110011111111…
…001110011100
3221122101112110
4303333032130
511442101231
61204034020
7223560462
oct63771634
927571473
1013628316
117769179
124692910
132a921c0
141b4a832
1512e3046
hexcff39c

13628316 has 48 divisors (see below), whose sum is σ = 34496000. Its totient is φ = 4162752.

The previous prime is 13628311. The next prime is 13628327. The reversal of 13628316 is 61382631.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13628311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30825 + ... + 31263.

Almost surely, 213628316 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 13628316, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17248000).

13628316 is an abundant number, since it is smaller than the sum of its proper divisors (20867684).

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

13628316 is a wasteful number, since it uses less digits than its factorization.

13628316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 658 (or 656 counting only the distinct ones).

The product of its digits is 5184, while the sum is 30.

The square root of 13628316 is about 3691.6549134501. The cubic root of 13628316 is about 238.8621836942.

The spelling of 13628316 in words is "thirteen million, six hundred twenty-eight thousand, three hundred sixteen".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 199 398 439 597 796 878 1194 1317 1756 2388 2587 2634 5174 5268 5707 7761 10348 11414 15522 17121 22828 31044 34242 68484 87361 174722 262083 349444 524166 1048332 1135693 2271386 3407079 4542772 6814158 13628316