Base | Representation |
---|---|
bin | 100100000101011… |
… | …111100111111001 |
3 | 1120012012112010220 |
4 | 210011133213321 |
5 | 2214441420100 |
6 | 140024130253 |
7 | 21000661650 |
oct | 4405374771 |
9 | 1505175126 |
10 | 605420025 |
11 | 290820031 |
12 | 14a906989 |
13 | 98575902 |
14 | 5a598197 |
15 | 3823daa0 |
hex | 2415f9f9 |
605420025 has 48 divisors (see below), whose sum is σ = 1159699584. Its totient is φ = 272954880.
The previous prime is 605420021. The next prime is 605420027. The reversal of 605420025 is 520024506.
It is not a de Polignac number, because 605420025 - 22 = 605420021 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 605419977 and 605420004.
It is not an unprimeable number, because it can be changed into a prime (605420021) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 30427 + ... + 46223.
It is an arithmetic number, because the mean of its divisors is an integer number (24160408).
Almost surely, 2605420025 is an apocalyptic number.
It is an amenable number.
605420025 is a deficient number, since it is larger than the sum of its proper divisors (554279559).
605420025 is a wasteful number, since it uses less digits than its factorization.
605420025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15890 (or 15885 counting only the distinct ones).
The product of its (nonzero) digits is 2400, while the sum is 24.
The square root of 605420025 is about 24605.2844933766. The cubic root of 605420025 is about 845.9647373372.
The spelling of 605420025 in words is "six hundred five million, four hundred twenty thousand, twenty-five".
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