Base | Representation |
---|---|
bin | 111110001010001… |
… | …1010000001000001 |
3 | 12101100122202202101 |
4 | 1330110122001001 |
5 | 13232421133400 |
6 | 542544150401 |
7 | 102454235434 |
oct | 17424320101 |
9 | 5340582671 |
10 | 2085724225 |
11 | 980378532 |
12 | 4a2608401 |
13 | 273160060 |
14 | 15b01181b |
15 | c319756a |
hex | 7c51a041 |
2085724225 has 48 divisors (see below), whose sum is σ = 2959654320. Its totient is φ = 1446681600.
The previous prime is 2085724189. The next prime is 2085724231. The reversal of 2085724225 is 5224275802.
It can be written as a sum of positive squares in 24 ways, for example, as 1802172304 + 283551921 = 42452^2 + 16839^2 .
It is not a de Polignac number, because 2085724225 - 27 = 2085724097 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (37).
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 345735 + ... + 351715.
It is an arithmetic number, because the mean of its divisors is an integer number (61659465).
Almost surely, 22085724225 is an apocalyptic number.
2085724225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
2085724225 is a deficient number, since it is larger than the sum of its proper divisors (873930095).
2085724225 is a wasteful number, since it uses less digits than its factorization.
2085724225 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6070 (or 6065 counting only the distinct ones).
The product of its (nonzero) digits is 89600, while the sum is 37.
The square root of 2085724225 is about 45669.7298546860. The cubic root of 2085724225 is about 1277.6707772965.
The spelling of 2085724225 in words is "two billion, eighty-five million, seven hundred twenty-four thousand, two hundred twenty-five".
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