Base | Representation |
---|---|
bin | 1010001100100… |
… | …01011100101011 |
3 | 12221221101200000 |
4 | 11012101130223 |
5 | 133343433121 |
6 | 12253114043 |
7 | 2055665541 |
oct | 506213453 |
9 | 187841600 |
10 | 85530411 |
11 | 4430929a |
12 | 24788923 |
13 | 14948715 |
14 | b505d91 |
15 | 7797526 |
hex | 519172b |
85530411 has 24 divisors (see below), whose sum is σ = 128593920. Its totient is φ = 56809512.
The previous prime is 85530409. The next prime is 85530413. The reversal of 85530411 is 11403558.
It is an interprime number because it is at equal distance from previous prime (85530409) and next prime (85530413).
It is not a de Polignac number, because 85530411 - 21 = 85530409 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (85530413) 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 23 ways as a sum of consecutive naturals, for example, 92610 + ... + 93528.
It is an arithmetic number, because the mean of its divisors is an integer number (5358080).
Almost surely, 285530411 is an apocalyptic number.
85530411 is a gapful number since it is divisible by the number (81) formed by its first and last digit.
85530411 is a deficient number, since it is larger than the sum of its proper divisors (43063509).
85530411 is an equidigital number, since it uses as much as digits as its factorization.
85530411 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1317 (or 1305 counting only the distinct ones).
The product of its (nonzero) digits is 2400, while the sum is 27.
The square root of 85530411 is about 9248.2652968003. The cubic root of 85530411 is about 440.5956309986.
Adding to 85530411 its reverse (11403558), we get a palindrome (96933969).
The spelling of 85530411 in words is "eighty-five million, five hundred thirty thousand, four hundred eleven".
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