Base | Representation |
---|---|
bin | 1010001000110… |
… | …10011101010001 |
3 | 12221000122002200 |
4 | 11010122131101 |
5 | 133232334100 |
6 | 12234433413 |
7 | 2051565564 |
oct | 504323521 |
9 | 187018080 |
10 | 85043025 |
11 | 440060a1 |
12 | 24592869 |
13 | 14807922 |
14 | b41a4db |
15 | 76ece00 |
hex | 511a751 |
85043025 has 36 divisors (see below), whose sum is σ = 152817600. Its totient is φ = 45208800.
The previous prime is 85043011. The next prime is 85043047. The reversal of 85043025 is 52034058.
It is not a de Polignac number, because 85043025 - 212 = 85038929 is a prime.
It is a super-2 number, since 2×850430252 = 14464632202301250, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 85043025.
It is an unprimeable number.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 134460 + ... + 135090.
Almost surely, 285043025 is an apocalyptic number.
It is an amenable number.
85043025 is a deficient number, since it is larger than the sum of its proper divisors (67774575).
85043025 is a wasteful number, since it uses less digits than its factorization.
85043025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1246 (or 1238 counting only the distinct ones).
The product of its (nonzero) digits is 4800, while the sum is 27.
The square root of 85043025 is about 9221.8775203317. The cubic root of 85043025 is about 439.7571404265.
The spelling of 85043025 in words is "eighty-five million, forty-three thousand, twenty-five".
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