187028 has 6 divisors (see below), whose sum is σ = 327306. Its totient is φ = 93512.
The previous prime is 187027. The next prime is 187043. The reversal of 187028 is 820781.
187028 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in only one way, i.e., 183184 + 3844 = 428^2 + 62^2 .
It is a junction number, because it is equal to n+sod(n) for n = 186988 and 187006.
It is a congruent number.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 187028.
It is not an unprimeable number, because it can be changed into a prime (187027) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23375 + ... + 23382.
It is an arithmetic number, because the mean of its divisors is an integer number (54551).
2187028 is an apocalyptic number.
It is an amenable number.
187028 is a deficient number, since it is larger than the sum of its proper divisors (140278).
187028 is a wasteful number, since it uses less digits than its factorization.
187028 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 46761 (or 46759 counting only the distinct ones).
The product of its (nonzero) digits is 896, while the sum is 26.
The square root of 187028 is about 432.4673398073. The cubic root of 187028 is about 57.1876446491.
The spelling of 187028 in words is "one hundred eighty-seven thousand, twenty-eight".
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