Base | Representation |
---|---|
bin | 1010001100101… |
… | …11000010011110 |
3 | 12221222120002010 |
4 | 11012113002132 |
5 | 133400201220 |
6 | 12253412050 |
7 | 2056122363 |
oct | 506270236 |
9 | 187876063 |
10 | 85553310 |
11 | 44324517 |
12 | 2479a026 |
13 | 14955c7b |
14 | b51046a |
15 | 779e1e0 |
hex | 519709e |
85553310 has 16 divisors (see below), whose sum is σ = 205328016. Its totient is φ = 22814208.
The previous prime is 85553309. The next prime is 85553311. The reversal of 85553310 is 1335558.
It is an interprime number because it is at equal distance from previous prime (85553309) and next prime (85553311).
It is a super-2 number, since 2×855533102 = 14638737703912200, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 2851777 = 85553310 / (8 + 5 + 5 + 5 + 3 + 3 + 1 + 0).
It is a nialpdrome in base 10.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (85553311) 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 7 ways as a sum of consecutive naturals, for example, 1425859 + ... + 1425918.
It is an arithmetic number, because the mean of its divisors is an integer number (12833001).
Almost surely, 285553310 is an apocalyptic number.
85553310 is an abundant number, since it is smaller than the sum of its proper divisors (119774706).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
85553310 is a wasteful number, since it uses less digits than its factorization.
85553310 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2851787.
The product of its (nonzero) digits is 9000, while the sum is 30.
The square root of 85553310 is about 9249.5032299038. The cubic root of 85553310 is about 440.6349476151.
Adding to 85553310 its reverse (1335558), we get a palindrome (86888868).
The spelling of 85553310 in words is "eighty-five million, five hundred fifty-three thousand, three hundred ten".
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