Base | Representation |
---|---|
bin | 1010000001101… |
… | …1010010010111 |
3 | 2221010121100110 |
4 | 2200123102113 |
5 | 41231223212 |
6 | 4101214103 |
7 | 1020313524 |
oct | 240332227 |
9 | 87117313 |
10 | 42054807 |
11 | 21814443 |
12 | 12101333 |
13 | 8935c02 |
14 | 582a14b |
15 | 3a5aa3c |
hex | 281b497 |
42054807 has 16 divisors (see below), whose sum is σ = 57788640. Its totient is φ = 27187200.
The previous prime is 42054767. The next prime is 42054827. The reversal of 42054807 is 70845024.
It is not a de Polignac number, because 42054807 - 215 = 42022039 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42054827) 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, 21319 + ... + 23207.
It is an arithmetic number, because the mean of its divisors is an integer number (3611790).
Almost surely, 242054807 is an apocalyptic number.
42054807 is a deficient number, since it is larger than the sum of its proper divisors (15733833).
42054807 is a wasteful number, since it uses less digits than its factorization.
42054807 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2114.
The product of its (nonzero) digits is 8960, while the sum is 30.
The square root of 42054807 is about 6484.9677717010. The cubic root of 42054807 is about 347.7537976512.
The spelling of 42054807 in words is "forty-two million, fifty-four thousand, eight hundred seven".
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