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13828818 = 232304803
BaseRepresentation
bin110100110000…
…001011010010
3222000120120110
4310300023102
512020010233
61212222150
7225354153
oct64601322
928016513
1013828818
117895883
12476a956
132b32543
141b9d92a
151332663
hexd302d2

13828818 has 8 divisors (see below), whose sum is σ = 27657648. Its totient is φ = 4609604.

The previous prime is 13828817. The next prime is 13828823. The reversal of 13828818 is 81882831.

It is a sphenic number, since it is the product of 3 distinct primes.

13828818 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (13828817) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1152396 + ... + 1152407.

It is an arithmetic number, because the mean of its divisors is an integer number (3457206).

Almost surely, 213828818 is an apocalyptic number.

13828818 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

13828818 is a wasteful number, since it uses less digits than its factorization.

13828818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2304808.

The product of its digits is 24576, while the sum is 39.

The square root of 13828818 is about 3718.7118737541. The cubic root of 13828818 is about 240.0278787059.

The spelling of 13828818 in words is "thirteen million, eight hundred twenty-eight thousand, eight hundred eighteen".

Divisors: 1 2 3 6 2304803 4609606 6914409 13828818