Base | Representation |
---|---|
bin | 1010001011111… |
… | …11101100101110 |
3 | 12221210200221101 |
4 | 11011333230232 |
5 | 133334121320 |
6 | 12251353314 |
7 | 2055243562 |
oct | 505775456 |
9 | 187720841 |
10 | 85457710 |
11 | 44269708 |
12 | 2475283a |
13 | 149215c0 |
14 | b4c76a2 |
15 | 7780c0a |
hex | 517fb2e |
85457710 has 32 divisors (see below), whose sum is σ = 166072032. Its totient is φ = 31474560.
The previous prime is 85457699. The next prime is 85457773. The reversal of 85457710 is 1775458.
It is a self number, because there is not a number n which added to its sum of digits gives 85457710.
It is a congruent number.
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 87525 + ... + 88495.
It is an arithmetic number, because the mean of its divisors is an integer number (5189751).
Almost surely, 285457710 is an apocalyptic number.
85457710 is a deficient number, since it is larger than the sum of its proper divisors (80614322).
85457710 is a wasteful number, since it uses less digits than its factorization.
85457710 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1668.
The product of its (nonzero) digits is 39200, while the sum is 37.
The square root of 85457710 is about 9244.3339403118. Note that the first 3 decimals coincide. The cubic root of 85457710 is about 440.4707599242.
It can be divided in two parts, 854 and 57710, that added together give a square (58564 = 2422).
The spelling of 85457710 in words is "eighty-five million, four hundred fifty-seven thousand, seven hundred ten".
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