Base | Representation |
---|---|
bin | 111101000110011… |
… | …001000110001011 |
3 | 2122102212202102001 |
4 | 331012121012023 |
5 | 4044410221320 |
6 | 245415051431 |
7 | 34255041304 |
oct | 7506310613 |
9 | 2572782361 |
10 | 1025085835 |
11 | 4866a8184 |
12 | 247370b77 |
13 | 1344b1487 |
14 | 9a1db7ab |
15 | 5eed920a |
hex | 3d19918b |
1025085835 has 16 divisors (see below), whose sum is σ = 1271400192. Its totient is φ = 792604800.
The previous prime is 1025085833. The next prime is 1025085889. The reversal of 1025085835 is 5385805201.
1025085835 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 1025085835 - 21 = 1025085833 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1025085794 and 1025085803.
It is not an unprimeable number, because it can be changed into a prime (1025085833) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132165 + ... + 139705.
It is an arithmetic number, because the mean of its divisors is an integer number (79462512).
Almost surely, 21025085835 is an apocalyptic number.
1025085835 is a deficient number, since it is larger than the sum of its proper divisors (246314357).
1025085835 is an equidigital number, since it uses as much as digits as its factorization.
1025085835 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8454.
The product of its (nonzero) digits is 48000, while the sum is 37.
The square root of 1025085835 is about 32016.9616765864. The cubic root of 1025085835 is about 1008.2929813478.
The spelling of 1025085835 in words is "one billion, twenty-five million, eighty-five thousand, eight hundred thirty-five".
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