Base | Representation |
---|---|
bin | 11010101001001… |
… | …010111111011101 |
3 | 1011011002222110121 |
4 | 122221022333131 |
5 | 1403413004131 |
6 | 112204434541 |
7 | 14035304401 |
oct | 3251127735 |
9 | 1134088417 |
10 | 447000541 |
11 | 20a358139 |
12 | 105848a51 |
13 | 717b9680 |
14 | 4351b101 |
15 | 29399911 |
hex | 1aa4afdd |
447000541 has 16 divisors (see below), whose sum is σ = 490808304. Its totient is φ = 404619264.
The previous prime is 447000529. The next prime is 447000551. The reversal of 447000541 is 145000744.
It can be written as a sum of positive squares in 8 ways, for example, as 13111641 + 433888900 = 3621^2 + 20830^2 .
It is a 9-Lehmer number, since φ(447000541) divides (447000541-1)9.
It is a cyclic number.
It is not a de Polignac number, because 447000541 - 27 = 447000413 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 (447000511) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140925 + ... + 144061.
It is an arithmetic number, because the mean of its divisors is an integer number (30675519).
Almost surely, 2447000541 is an apocalyptic number.
It is an amenable number.
447000541 is a deficient number, since it is larger than the sum of its proper divisors (43807763).
447000541 is a wasteful number, since it uses less digits than its factorization.
447000541 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3360.
The product of its (nonzero) digits is 2240, while the sum is 25.
The square root of 447000541 is about 21142.3873060731. The cubic root of 447000541 is about 764.6030326851.
The spelling of 447000541 in words is "four hundred forty-seven million, five hundred forty-one", and thus it is an aban number.
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