Base | Representation |
---|---|
bin | 1000100111111… |
… | …1000100111101 |
3 | 2112001201210011 |
4 | 2021333010331 |
5 | 33230001333 |
6 | 3331143221 |
7 | 616312666 |
oct | 211770475 |
9 | 75051704 |
10 | 36172093 |
11 | 194666a1 |
12 | 10144b11 |
13 | 7656409 |
14 | 4b3836d |
15 | 32979cd |
hex | 227f13d |
36172093 has 4 divisors (see below), whose sum is σ = 36941760. Its totient is φ = 35402428.
The previous prime is 36172079. The next prime is 36172111. The reversal of 36172093 is 39027163.
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, and also an emirpimes, since its reverse is a distinct semiprime: 39027163 = 7 ⋅5575309.
It is a cyclic number.
It is not a de Polignac number, because 36172093 - 25 = 36172061 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 (36172063) 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, 384763 + ... + 384856.
It is an arithmetic number, because the mean of its divisors is an integer number (9235440).
Almost surely, 236172093 is an apocalyptic number.
It is an amenable number.
36172093 is a deficient number, since it is larger than the sum of its proper divisors (769667).
36172093 is an equidigital number, since it uses as much as digits as its factorization.
36172093 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 769666.
The product of its (nonzero) digits is 6804, while the sum is 31.
The square root of 36172093 is about 6014.3239852871. The cubic root of 36172093 is about 330.7180355388.
The spelling of 36172093 in words is "thirty-six million, one hundred seventy-two thousand, ninety-three".
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