Base | Representation |
---|---|
bin | 110011111111000… |
… | …110101000010001 |
3 | 2020210011100100220 |
4 | 303333012220101 |
5 | 3241234231431 |
6 | 222313503253 |
7 | 30420260352 |
oct | 6377065021 |
9 | 2223140326 |
10 | 872180241 |
11 | 408360a19 |
12 | 204111b29 |
13 | 10b905baa |
14 | 83b97d29 |
15 | 51883b96 |
hex | 33fc6a11 |
872180241 has 8 divisors (see below), whose sum is σ = 1163045760. Its totient is φ = 581384112.
The previous prime is 872180233. The next prime is 872180273. The reversal of 872180241 is 142081278.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 872180241 - 23 = 872180233 is a prime.
It is not an unprimeable number, because it can be changed into a prime (872180201) 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, 32211 + ... + 52743.
It is an arithmetic number, because the mean of its divisors is an integer number (145380720).
Almost surely, 2872180241 is an apocalyptic number.
It is an amenable number.
872180241 is a deficient number, since it is larger than the sum of its proper divisors (290865519).
872180241 is a wasteful number, since it uses less digits than its factorization.
872180241 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 34695.
The product of its (nonzero) digits is 7168, while the sum is 33.
The square root of 872180241 is about 29532.6978280007. The cubic root of 872180241 is about 955.4370562391.
The spelling of 872180241 in words is "eight hundred seventy-two million, one hundred eighty thousand, two hundred forty-one".
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