Base | Representation |
---|---|
bin | 1010001001010… |
… | …11010001100010 |
3 | 12221011010120211 |
4 | 11010223101202 |
5 | 133242040111 |
6 | 12240124334 |
7 | 2052303445 |
oct | 504532142 |
9 | 187133524 |
10 | 85111906 |
11 | 44052920 |
12 | 246066aa |
13 | 14830099 |
14 | b43765c |
15 | 7713521 |
hex | 512b462 |
85111906 has 16 divisors (see below), whose sum is σ = 146604960. Its totient is φ = 36650880.
The previous prime is 85111903. The next prime is 85111907. The reversal of 85111906 is 60911158.
It is not an unprimeable number, because it can be changed into a prime (85111903) 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, 101391 + ... + 102226.
It is an arithmetic number, because the mean of its divisors is an integer number (9162810).
Almost surely, 285111906 is an apocalyptic number.
85111906 is a deficient number, since it is larger than the sum of its proper divisors (61493054).
85111906 is a wasteful number, since it uses less digits than its factorization.
85111906 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 203649.
The product of its (nonzero) digits is 2160, while the sum is 31.
The square root of 85111906 is about 9225.6114160526. The cubic root of 85111906 is about 439.8758361776.
The spelling of 85111906 in words is "eighty-five million, one hundred eleven thousand, nine hundred six".
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