Base | Representation |
---|---|
bin | 1010001100011… |
… | …01101101100100 |
3 | 12221220121200020 |
4 | 11012031231210 |
5 | 133342440413 |
6 | 12252515140 |
7 | 2055603120 |
oct | 506155544 |
9 | 187817606 |
10 | 85515108 |
11 | 442a8848 |
12 | 2477bab0 |
13 | 14941773 |
14 | b500580 |
15 | 7792c23 |
hex | 518db64 |
85515108 has 48 divisors (see below), whose sum is σ = 228501504. Its totient is φ = 24383520.
The previous prime is 85515077. The next prime is 85515109. The reversal of 85515108 is 80151558.
It is not an unprimeable number, because it can be changed into a prime (85515109) by changing a digit.
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 15 ways as a sum of consecutive naturals, for example, 68853 + ... + 70083.
It is an arithmetic number, because the mean of its divisors is an integer number (4760448).
Almost surely, 285515108 is an apocalyptic number.
It is an amenable number.
85515108 is an abundant number, since it is smaller than the sum of its proper divisors (142986396).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
85515108 is a wasteful number, since it uses less digits than its factorization.
85515108 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2072 (or 2070 counting only the distinct ones).
The product of its (nonzero) digits is 8000, while the sum is 33.
The square root of 85515108 is about 9247.4379154445. The cubic root of 85515108 is about 440.5693524815.
The spelling of 85515108 in words is "eighty-five million, five hundred fifteen thousand, one hundred eight".
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