Base | Representation |
---|---|
bin | 1010001111101… |
… | …10111110110010 |
3 | 12222201112010221 |
4 | 11013312332302 |
5 | 134000240130 |
6 | 12310043254 |
7 | 2062350163 |
oct | 507667662 |
9 | 188645127 |
10 | 85946290 |
11 | 445727a1 |
12 | 2494952a |
13 | 14a62ac1 |
14 | b5b376a |
15 | 782a87a |
hex | 51f6fb2 |
85946290 has 16 divisors (see below), whose sum is σ = 156207168. Its totient is φ = 34044336.
The previous prime is 85946279. The next prime is 85946299. The reversal of 85946290 is 9264958.
It is not an unprimeable number, because it can be changed into a prime (85946299) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40692 + ... + 42751.
It is an arithmetic number, because the mean of its divisors is an integer number (9762948).
Almost surely, 285946290 is an apocalyptic number.
85946290 is a deficient number, since it is larger than the sum of its proper divisors (70260878).
85946290 is a wasteful number, since it uses less digits than its factorization.
85946290 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 83553.
The product of its (nonzero) digits is 155520, while the sum is 43.
The square root of 85946290 is about 9270.7221940904. The cubic root of 85946290 is about 441.3085871055.
It can be divided in two parts, 8594 and 6290, that added together give a square (14884 = 1222).
The spelling of 85946290 in words is "eighty-five million, nine hundred forty-six thousand, two hundred ninety".
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