Base | Representation |
---|---|
bin | 1010000001101… |
… | …1010111010101 |
3 | 2221010121210020 |
4 | 2200123113111 |
5 | 41231231000 |
6 | 4101215353 |
7 | 1020314460 |
oct | 240332725 |
9 | 87117706 |
10 | 42055125 |
11 | 21814702 |
12 | 12101559 |
13 | 89360b8 |
14 | 582a2d7 |
15 | 3a5aba0 |
hex | 281b5d5 |
42055125 has 64 divisors (see below), whose sum is σ = 82328064. Its totient is φ = 18662400.
The previous prime is 42055121. The next prime is 42055147. The reversal of 42055125 is 52155024.
It is a happy number.
42055125 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 42055125 - 22 = 42055121 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 42055095 and 42055104.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42055121) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 96909 + ... + 97341.
It is an arithmetic number, because the mean of its divisors is an integer number (1286376).
Almost surely, 242055125 is an apocalyptic number.
It is an amenable number.
42055125 is a deficient number, since it is larger than the sum of its proper divisors (40272939).
42055125 is a wasteful number, since it uses less digits than its factorization.
42055125 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 495 (or 485 counting only the distinct ones).
The product of its (nonzero) digits is 2000, while the sum is 24.
The square root of 42055125 is about 6484.9922898952. The cubic root of 42055125 is about 347.7546741695.
The spelling of 42055125 in words is "forty-two million, fifty-five thousand, one hundred twenty-five".
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