Base | Representation |
---|---|
bin | 1010001010001… |
… | …01110110010010 |
3 | 12221100122220020 |
4 | 11011011312102 |
5 | 133304031004 |
6 | 12242324310 |
7 | 2053236003 |
oct | 505056622 |
9 | 187318806 |
10 | 85220754 |
11 | 44117683 |
12 | 24659696 |
13 | 1486a7a8 |
14 | b4651aa |
15 | 77358d9 |
hex | 5145d92 |
85220754 has 16 divisors (see below), whose sum is σ = 174405792. Its totient is φ = 27746208.
The previous prime is 85220753. The next prime is 85220777. The reversal of 85220754 is 45702258.
It is not an unprimeable number, because it can be changed into a prime (85220753) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164899 + ... + 165414.
It is an arithmetic number, because the mean of its divisors is an integer number (10900362).
Almost surely, 285220754 is an apocalyptic number.
85220754 is an abundant number, since it is smaller than the sum of its proper divisors (89185038).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
85220754 is a wasteful number, since it uses less digits than its factorization.
85220754 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 330361.
The product of its (nonzero) digits is 22400, while the sum is 33.
The square root of 85220754 is about 9231.5087607606. The cubic root of 85220754 is about 440.0632725813.
The spelling of 85220754 in words is "eighty-five million, two hundred twenty thousand, seven hundred fifty-four".
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