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13804148 = 225775981
BaseRepresentation
bin110100101010…
…001001110100
3221222022201202
4310222021310
512013213043
61211512032
7225222221
oct64521164
927868652
1013804148
117879296
124758618
132b24247
141b94948
15132a1b8
hexd2a274

13804148 has 12 divisors (see below), whose sum is σ = 24203172. Its totient is φ = 6888960.

The previous prime is 13804139. The next prime is 13804157. The reversal of 13804148 is 84140831.

It is an interprime number because it is at equal distance from previous prime (13804139) and next prime (13804157).

It can be written as a sum of positive squares in 2 ways, for example, as 7463824 + 6340324 = 2732^2 + 2518^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13804148.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 683 + ... + 5298.

It is an arithmetic number, because the mean of its divisors is an integer number (2016931).

Almost surely, 213804148 is an apocalyptic number.

It is an amenable number.

13804148 is a deficient number, since it is larger than the sum of its proper divisors (10399024).

13804148 is a wasteful number, since it uses less digits than its factorization.

13804148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6562 (or 6560 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 13804148 is about 3715.3933842865. The cubic root of 13804148 is about 239.8850607035.

Adding to 13804148 its reverse (84140831), we get a palindrome (97944979).

The spelling of 13804148 in words is "thirteen million, eight hundred four thousand, one hundred forty-eight".

Divisors: 1 2 4 577 1154 2308 5981 11962 23924 3451037 6902074 13804148