Base | Representation |
---|---|
bin | 111001001110011000110 |
3 | 10112021012201 |
4 | 13021303012 |
5 | 440001032 |
6 | 104105114 |
7 | 21636613 |
oct | 7116306 |
9 | 3467181 |
10 | 1875142 |
11 | 1070905 |
12 | 76519a |
13 | 508669 |
14 | 36b50a |
15 | 2708e7 |
hex | 1c9cc6 |
1875142 has 4 divisors (see below), whose sum is σ = 2812716. Its totient is φ = 937570.
The previous prime is 1875131. The next prime is 1875143. The reversal of 1875142 is 2415781.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2415781 = 193 ⋅12517.
It is a self number, because there is not a number n which added to its sum of digits gives 1875142.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1875143) by changing a digit.
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 as a sum of consecutive naturals, namely, 468784 + ... + 468787.
It is an arithmetic number, because the mean of its divisors is an integer number (703179).
21875142 is an apocalyptic number.
1875142 is a deficient number, since it is larger than the sum of its proper divisors (937574).
1875142 is an equidigital number, since it uses as much as digits as its factorization.
1875142 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 937573.
The product of its digits is 2240, while the sum is 28.
The square root of 1875142 is about 1369.3582438500. The cubic root of 1875142 is about 123.3137165456.
It can be divided in two parts, 187 and 5142, that added together give a square (5329 = 732).
The spelling of 1875142 in words is "one million, eight hundred seventy-five thousand, one hundred forty-two".
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