Base | Representation |
---|---|
bin | 1010001010001… |
… | …01001011110000 |
3 | 12221100112011102 |
4 | 11011011023300 |
5 | 133303434112 |
6 | 12242303532 |
7 | 2053225034 |
oct | 505051360 |
9 | 187315142 |
10 | 85218032 |
11 | 44115629 |
12 | 24657ba8 |
13 | 14869493 |
14 | b4641c4 |
15 | 7734bc2 |
hex | 51452f0 |
85218032 has 10 divisors (see below), whose sum is σ = 165109968. Its totient is φ = 42609008.
The previous prime is 85218031. The next prime is 85218061. The reversal of 85218032 is 23081258.
It is a super-2 number, since 2×852180322 = 14524225955906048, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 85217986 and 85218004.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (85218031) 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 as a sum of consecutive naturals, namely, 2663048 + ... + 2663079.
Almost surely, 285218032 is an apocalyptic number.
It is an amenable number.
85218032 is a deficient number, since it is larger than the sum of its proper divisors (79891936).
85218032 is a wasteful number, since it uses less digits than its factorization.
85218032 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5326135 (or 5326129 counting only the distinct ones).
The product of its (nonzero) digits is 3840, while the sum is 29.
The square root of 85218032 is about 9231.3613297281. The cubic root of 85218032 is about 440.0585872399.
The spelling of 85218032 in words is "eighty-five million, two hundred eighteen thousand, thirty-two".
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