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1875 = 354
BaseRepresentation
bin11101010011
32120110
4131103
530000
612403
75316
oct3523
92513
101875
111455
121103
13b13
1497d
15850
hex753

1875 has 10 divisors (see below), whose sum is σ = 3124. Its totient is φ = 1000.

The previous prime is 1873. The next prime is 1877. The reversal of 1875 is 5781.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1873) and next prime (1877).

It is not a de Polignac number, because 1875 - 21 = 1873 is a prime.

It is a Duffinian number.

Its product of digits (280) is a multiple of the sum of its prime divisors (8).

It is a plaindrome in base 11.

It is a nialpdrome in base 5, base 15 and base 16.

It is not an unprimeable number, because it can be changed into a prime (1871) by changing a digit.

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 in 9 ways as a sum of consecutive naturals, for example, 373 + ... + 377.

1875 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1875 is a deficient number, since it is larger than the sum of its proper divisors (1249).

1875 is an frugal number, since it uses more digits than its factorization.

1875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23 (or 8 counting only the distinct ones).

The product of its digits is 280, while the sum is 21.

The square root of 1875 is about 43.3012701892. The cubic root of 1875 is about 12.3310603717.

The spelling of 1875 in words is "one thousand, eight hundred seventy-five".

Divisors: 1 3 5 15 25 75 125 375 625 1875