Base | Representation |
---|---|
bin | 100000010011011… |
… | …101011011110101 |
3 | 1101202211001002221 |
4 | 200103131123311 |
5 | 2102221102323 |
6 | 125440202341 |
7 | 16300454626 |
oct | 4023353365 |
9 | 1352731087 |
10 | 541972213 |
11 | 258a24822 |
12 | 1316093b1 |
13 | 8838c523 |
14 | 51d9da4d |
15 | 328a955d |
hex | 204dd6f5 |
541972213 has 8 divisors (see below), whose sum is σ = 563074200. Its totient is φ = 521031168.
The previous prime is 541972159. The next prime is 541972217. The reversal of 541972213 is 312279145.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 106929 + 541865284 = 327^2 + 23278^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 541972213 - 217 = 541841141 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 (541972217) 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, 33348 + ... + 46861.
It is an arithmetic number, because the mean of its divisors is an integer number (70384275).
Almost surely, 2541972213 is an apocalyptic number.
It is an amenable number.
541972213 is a deficient number, since it is larger than the sum of its proper divisors (21101987).
541972213 is a wasteful number, since it uses less digits than its factorization.
541972213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 80471.
The product of its digits is 15120, while the sum is 34.
The square root of 541972213 is about 23280.2966690719. The cubic root of 541972213 is about 815.3154526783.
The spelling of 541972213 in words is "five hundred forty-one million, nine hundred seventy-two thousand, two hundred thirteen".
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