Base | Representation |
---|---|
bin | 1001001110110100100101 |
3 | 11112221121211 |
4 | 21032310211 |
5 | 1104420010 |
6 | 123511421 |
7 | 26366260 |
oct | 11166445 |
9 | 4487554 |
10 | 2420005 |
11 | 1403205 |
12 | 988571 |
13 | 669673 |
14 | 46dcd7 |
15 | 32c08a |
hex | 24ed25 |
2420005 has 8 divisors (see below), whose sum is σ = 3318912. Its totient is φ = 1659408.
The previous prime is 2419993. The next prime is 2420009. The reversal of 2420005 is 5000242.
It is a happy number.
2420005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 2420005 - 29 = 2419493 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 (2420009) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34537 + ... + 34606.
It is an arithmetic number, because the mean of its divisors is an integer number (414864).
22420005 is an apocalyptic number.
It is an amenable number.
2420005 is a deficient number, since it is larger than the sum of its proper divisors (898907).
2420005 is an equidigital number, since it uses as much as digits as its factorization.
2420005 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 69155.
The product of its (nonzero) digits is 80, while the sum is 13.
The square root of 2420005 is about 1555.6365256704. The cubic root of 2420005 is about 134.2575613555.
Adding to 2420005 its reverse (5000242), we get a palindrome (7420247).
It can be divided in two parts, 242000 and 5, that multiplied together give a square (1210000 = 11002).
The spelling of 2420005 in words is "two million, four hundred twenty thousand, five".
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