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13350018 = 2311673019
BaseRepresentation
bin110010111011…
…010010000010
3221010020210010
4302323102002
511404200033
61154045350
7221321223
oct62732202
927106703
1013350018
117599080
124579856
1329c5626
141ab724a
15128a863
hexcbb482

13350018 has 32 divisors (see below), whose sum is σ = 29571840. Its totient is φ = 3983760.

The previous prime is 13349983. The next prime is 13350019. The reversal of 13350018 is 81005331.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 13349976 and 13350003.

It is not an unprimeable number, because it can be changed into a prime (13350019) 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 15 ways as a sum of consecutive naturals, for example, 2913 + ... + 5931.

It is an arithmetic number, because the mean of its divisors is an integer number (924120).

Almost surely, 213350018 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13350018, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14785920).

13350018 is an abundant number, since it is smaller than the sum of its proper divisors (16221822).

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

13350018 is a wasteful number, since it uses less digits than its factorization.

13350018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3102.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 13350018 is about 3653.7676445007. The cubic root of 13350018 is about 237.2250883699.

Adding to 13350018 its reverse (81005331), we get a palindrome (94355349).

The spelling of 13350018 in words is "thirteen million, three hundred fifty thousand, eighteen".

Divisors: 1 2 3 6 11 22 33 66 67 134 201 402 737 1474 2211 3019 4422 6038 9057 18114 33209 66418 99627 199254 202273 404546 606819 1213638 2225003 4450006 6675009 13350018