Base | Representation |
---|---|
bin | 1010001001111… |
… | …11101011110011 |
3 | 12221022101021011 |
4 | 11010333223303 |
5 | 133302224012 |
6 | 12242011351 |
7 | 2053102255 |
oct | 504775363 |
9 | 187271234 |
10 | 85195507 |
11 | 440aa711 |
12 | 24646b57 |
13 | 1485c157 |
14 | b459cd5 |
15 | 772d1a7 |
hex | 513faf3 |
85195507 has 4 divisors (see below), whose sum is σ = 85214080. Its totient is φ = 85176936.
The previous prime is 85195489. The next prime is 85195511. The reversal of 85195507 is 70559158.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 85195507 - 27 = 85195379 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 85195507.
It is not an unprimeable number, because it can be changed into a prime (85195577) 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 3 ways as a sum of consecutive naturals, for example, 3118 + ... + 13420.
It is an arithmetic number, because the mean of its divisors is an integer number (21303520).
Almost surely, 285195507 is an apocalyptic number.
85195507 is a deficient number, since it is larger than the sum of its proper divisors (18573).
85195507 is a wasteful number, since it uses less digits than its factorization.
85195507 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18572.
The product of its (nonzero) digits is 63000, while the sum is 40.
The square root of 85195507 is about 9230.1412231883. The cubic root of 85195507 is about 440.0198114358.
It can be divided in two parts, 85195 and 507, that multiplied together give a triangular number (43193865 = T9294).
The spelling of 85195507 in words is "eighty-five million, one hundred ninety-five thousand, five hundred seven".
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