Base | Representation |
---|---|
bin | 1010001100000… |
… | …11101011101001 |
3 | 12221211112022122 |
4 | 11012003223221 |
5 | 133340132100 |
6 | 12252001025 |
7 | 2055342260 |
oct | 506035351 |
9 | 187745278 |
10 | 85474025 |
11 | 4427a99a |
12 | 24760175 |
13 | 14928b60 |
14 | b4cd5d7 |
15 | 7785985 |
hex | 5183ae9 |
85474025 has 24 divisors (see below), whose sum is σ = 130449984. Its totient is φ = 54100800.
The previous prime is 85474013. The next prime is 85474031. The reversal of 85474025 is 52047458.
It is not a de Polignac number, because 85474025 - 24 = 85474009 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (35).
It is a Curzon number.
It is an unprimeable number.
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 23 ways as a sum of consecutive naturals, for example, 16511 + ... + 21060.
It is an arithmetic number, because the mean of its divisors is an integer number (5435416).
Almost surely, 285474025 is an apocalyptic number.
It is an amenable number.
85474025 is a deficient number, since it is larger than the sum of its proper divisors (44975959).
85474025 is a wasteful number, since it uses less digits than its factorization.
85474025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 37601 (or 37596 counting only the distinct ones).
The product of its (nonzero) digits is 44800, while the sum is 35.
The square root of 85474025 is about 9245.2163306220. The cubic root of 85474025 is about 440.4987886930.
The spelling of 85474025 in words is "eighty-five million, four hundred seventy-four thousand, twenty-five".
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