Base | Representation |
---|---|
bin | 1010001100000… |
… | …11000010101001 |
3 | 12221211101201110 |
4 | 11012003002221 |
5 | 133340041101 |
6 | 12251540533 |
7 | 2055331521 |
oct | 506030251 |
9 | 187741643 |
10 | 85471401 |
11 | 44278a24 |
12 | 2475a749 |
13 | 149278c2 |
14 | b4cc681 |
15 | 7784cd6 |
hex | 51830a9 |
85471401 has 16 divisors (see below), whose sum is σ = 117250496. Its totient is φ = 55351296.
The previous prime is 85471387. The next prime is 85471403. The reversal of 85471401 is 10417458.
It is not a de Polignac number, because 85471401 - 210 = 85470377 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (85471403) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23181 + ... + 26613.
It is an arithmetic number, because the mean of its divisors is an integer number (7328156).
Almost surely, 285471401 is an apocalyptic number.
It is an amenable number.
85471401 is a deficient number, since it is larger than the sum of its proper divisors (31779095).
85471401 is a wasteful number, since it uses less digits than its factorization.
85471401 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3672.
The product of its (nonzero) digits is 4480, while the sum is 30.
The square root of 85471401 is about 9245.0744183051. The cubic root of 85471401 is about 440.4942809662.
Adding to 85471401 its reverse (10417458), we get a palindrome (95888859).
The spelling of 85471401 in words is "eighty-five million, four hundred seventy-one thousand, four hundred one".
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