Base | Representation |
---|---|
bin | 111110010101001110101 |
3 | 10211202202121 |
4 | 13302221311 |
5 | 1010324420 |
6 | 111435541 |
7 | 23234524 |
oct | 7625165 |
9 | 3752677 |
10 | 2042485 |
11 | 1175605 |
12 | 825bb1 |
13 | 566893 |
14 | 3b24bb |
15 | 2a52aa |
hex | 1f2a75 |
2042485 has 4 divisors (see below), whose sum is σ = 2450988. Its totient is φ = 1633984.
The previous prime is 2042483. The next prime is 2042489. The reversal of 2042485 is 5842402.
It is a happy number.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 998001 + 1044484 = 999^2 + 1022^2 .
It is a cyclic number.
It is not a de Polignac number, because 2042485 - 21 = 2042483 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2042483) 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 3 ways as a sum of consecutive naturals, for example, 204244 + ... + 204253.
It is an arithmetic number, because the mean of its divisors is an integer number (612747).
22042485 is an apocalyptic number.
It is an amenable number.
2042485 is a deficient number, since it is larger than the sum of its proper divisors (408503).
2042485 is an equidigital number, since it uses as much as digits as its factorization.
2042485 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 408502.
The product of its (nonzero) digits is 2560, while the sum is 25.
The square root of 2042485 is about 1429.1553449503. The cubic root of 2042485 is about 126.8779905788.
Adding to 2042485 its reverse (5842402), we get a palindrome (7884887).
The spelling of 2042485 in words is "two million, forty-two thousand, four hundred eighty-five".
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