Base | Representation |
---|---|
bin | 1010001110101… |
… | …01000000101100 |
3 | 12222110110021112 |
4 | 11013111000230 |
5 | 133431312043 |
6 | 12303051152 |
7 | 2061230420 |
oct | 507250054 |
9 | 188413245 |
10 | 85807148 |
11 | 444881a9 |
12 | 248a0ab8 |
13 | 14a1467b |
14 | b578b80 |
15 | 77ee518 |
hex | 51d502c |
85807148 has 24 divisors (see below), whose sum is σ = 175268352. Its totient is φ = 35991504.
The previous prime is 85807147. The next prime is 85807153. The reversal of 85807148 is 84170858.
It is not an unprimeable number, because it can be changed into a prime (85807147) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31286 + ... + 33917.
It is an arithmetic number, because the mean of its divisors is an integer number (7302848).
Almost surely, 285807148 is an apocalyptic number.
It is an amenable number.
85807148 is an abundant number, since it is smaller than the sum of its proper divisors (89461204).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
85807148 is a wasteful number, since it uses less digits than its factorization.
85807148 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 65261 (or 65259 counting only the distinct ones).
The product of its (nonzero) digits is 71680, while the sum is 41.
The square root of 85807148 is about 9263.2147767392. The cubic root of 85807148 is about 441.0703075705.
The spelling of 85807148 in words is "eighty-five million, eight hundred seven thousand, one hundred forty-eight".
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