Base | Representation |
---|---|
bin | 1010001010010… |
… | …10110001100010 |
3 | 12221101200120111 |
4 | 11011022301202 |
5 | 133310202210 |
6 | 12243001534 |
7 | 2053351555 |
oct | 505126142 |
9 | 187350514 |
10 | 85240930 |
11 | 44130855 |
12 | 246692aa |
13 | 14876a28 |
14 | b46c69c |
15 | 773b88a |
hex | 514ac62 |
85240930 has 16 divisors (see below), whose sum is σ = 154021824. Its totient is φ = 33965680.
The previous prime is 85240919. The next prime is 85240931. The reversal of 85240930 is 3904258.
It is a super-2 number, since 2×852409302 = 14532032294529800, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 85240892 and 85240901.
It is not an unprimeable number, because it can be changed into a prime (85240931) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13576 + ... + 18835.
It is an arithmetic number, because the mean of its divisors is an integer number (9626364).
Almost surely, 285240930 is an apocalyptic number.
85240930 is a deficient number, since it is larger than the sum of its proper divisors (68780894).
85240930 is a wasteful number, since it uses less digits than its factorization.
85240930 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 32681.
The product of its (nonzero) digits is 8640, while the sum is 31.
The square root of 85240930 is about 9232.6014752073. The cubic root of 85240930 is about 440.0979981444.
The spelling of 85240930 in words is "eighty-five million, two hundred forty thousand, nine hundred thirty".
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