Base | Representation |
---|---|
bin | 1010001000101… |
… | …01101000000101 |
3 | 12220222121221210 |
4 | 11010111220011 |
5 | 133231220422 |
6 | 12234202033 |
7 | 2051454105 |
oct | 504255005 |
9 | 186877853 |
10 | 85023237 |
11 | 43aa2242 |
12 | 24583319 |
13 | 147cb910 |
14 | b413205 |
15 | 76e710c |
hex | 5115a05 |
85023237 has 8 divisors (see below), whose sum is σ = 122084704. Its totient is φ = 52321968.
The previous prime is 85023229. The next prime is 85023251. The reversal of 85023237 is 73232058.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 85023237 - 23 = 85023229 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (85023277) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1090003 + ... + 1090080.
It is an arithmetic number, because the mean of its divisors is an integer number (15260588).
Almost surely, 285023237 is an apocalyptic number.
It is an amenable number.
85023237 is a deficient number, since it is larger than the sum of its proper divisors (37061467).
85023237 is a wasteful number, since it uses less digits than its factorization.
85023237 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2180099.
The product of its (nonzero) digits is 10080, while the sum is 30.
The square root of 85023237 is about 9220.8045744393. The cubic root of 85023237 is about 439.7230298912.
The spelling of 85023237 in words is "eighty-five million, twenty-three thousand, two hundred thirty-seven".
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