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19148 = 224787
BaseRepresentation
bin100101011001100
3222021012
410223030
51103043
6224352
7106553
oct45314
928235
1019148
1113428
12b0b8
13893c
146d9a
155a18
hex4acc

19148 has 6 divisors (see below), whose sum is σ = 33516. Its totient is φ = 9572.

The previous prime is 19141. The next prime is 19157. The reversal of 19148 is 84191.

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (19141) by changing a digit.

19148 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2390 + ... + 2397.

It is an arithmetic number, because the mean of its divisors is an integer number (5586).

219148 is an apocalyptic number.

It is an amenable number.

19148 is a deficient number, since it is larger than the sum of its proper divisors (14368).

19148 is a wasteful number, since it uses less digits than its factorization.

19148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4791 (or 4789 counting only the distinct ones).

The product of its digits is 288, while the sum is 23.

The square root of 19148 is about 138.3762985486. The cubic root of 19148 is about 26.7531221790.

The spelling of 19148 in words is "nineteen thousand, one hundred forty-eight".

Divisors: 1 2 4 4787 9574 19148