Base | Representation |
---|---|
bin | 111011101010100110101 |
3 | 10200022221001 |
4 | 13131110311 |
5 | 1000031000 |
6 | 105523301 |
7 | 22422034 |
oct | 7352465 |
9 | 3608831 |
10 | 1955125 |
11 | 1115a07 |
12 | 7a3531 |
13 | 535ba3 |
14 | 38c71b |
15 | 28946a |
hex | 1dd535 |
1955125 has 8 divisors (see below), whose sum is σ = 2440152. Its totient is φ = 1564000.
The previous prime is 1955123. The next prime is 1955131. The reversal of 1955125 is 5215591.
It can be written as a sum of positive squares in 4 ways, for example, as 42436 + 1912689 = 206^2 + 1383^2 .
It is not a de Polignac number, because 1955125 - 21 = 1955123 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1955093 and 1955102.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1955123) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7696 + ... + 7945.
It is an arithmetic number, because the mean of its divisors is an integer number (305019).
21955125 is an apocalyptic number.
It is an amenable number.
1955125 is a deficient number, since it is larger than the sum of its proper divisors (485027).
1955125 is an equidigital number, since it uses as much as digits as its factorization.
1955125 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15656 (or 15646 counting only the distinct ones).
The product of its digits is 2250, while the sum is 28.
The square root of 1955125 is about 1398.2578446052. The cubic root of 1955125 is about 125.0426521114.
It can be divided in two parts, 1955 and 125, that added together give a triangular number (2080 = T64).
The spelling of 1955125 in words is "one million, nine hundred fifty-five thousand, one hundred twenty-five".
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