Base | Representation |
---|---|
bin | 1010001010011… |
… | …01101111000101 |
3 | 12221102022012210 |
4 | 11011031233011 |
5 | 133311044221 |
6 | 12243134033 |
7 | 2053432125 |
oct | 505155705 |
9 | 187368183 |
10 | 85253061 |
11 | 44139983 |
12 | 24674319 |
13 | 1487c3ca |
14 | b472c85 |
15 | 7740276 |
hex | 514dbc5 |
85253061 has 4 divisors (see below), whose sum is σ = 113670752. Its totient is φ = 56835372.
The previous prime is 85253059. The next prime is 85253083. The reversal of 85253061 is 16035258.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is not a de Polignac number, because 85253061 - 21 = 85253059 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (85255061) 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, 14208841 + ... + 14208846.
It is an arithmetic number, because the mean of its divisors is an integer number (28417688).
Almost surely, 285253061 is an apocalyptic number.
It is an amenable number.
85253061 is a deficient number, since it is larger than the sum of its proper divisors (28417691).
85253061 is a wasteful number, since it uses less digits than its factorization.
85253061 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28417690.
The product of its (nonzero) digits is 7200, while the sum is 30.
The square root of 85253061 is about 9233.2584172653. The cubic root of 85253061 is about 440.1188745613.
The spelling of 85253061 in words is "eighty-five million, two hundred fifty-three thousand, sixty-one".
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