Base | Representation |
---|---|
bin | 1010001000111… |
… | …01001101000110 |
3 | 12221001012112110 |
4 | 11010131031012 |
5 | 133233214103 |
6 | 12235001450 |
7 | 2051643441 |
oct | 504351506 |
9 | 187035473 |
10 | 85054278 |
11 | 440135a1 |
12 | 24599286 |
13 | 1480ca9a |
14 | b420658 |
15 | 7701403 |
hex | 511d346 |
85054278 has 8 divisors (see below), whose sum is σ = 170108568. Its totient is φ = 28351424.
The previous prime is 85054273. The next prime is 85054283. The reversal of 85054278 is 87245058.
It is an interprime number because it is at equal distance from previous prime (85054273) and next prime (85054283).
It is a sphenic number, since it is the product of 3 distinct primes.
85054278 is an admirable number.
It is a super-2 number, since 2×850542782 = 14468460412202568, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (85054273) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7087851 + ... + 7087862.
It is an arithmetic number, because the mean of its divisors is an integer number (21263571).
Almost surely, 285054278 is an apocalyptic number.
85054278 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
85054278 is a wasteful number, since it uses less digits than its factorization.
85054278 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14175718.
The product of its (nonzero) digits is 89600, while the sum is 39.
The square root of 85054278 is about 9222.4876253644. The cubic root of 85054278 is about 439.7765359770.
The spelling of 85054278 in words is "eighty-five million, fifty-four thousand, two hundred seventy-eight".
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